CVE-2003-0020

mediumpriority · track · 26EPSS 0.165 · 97 %ileEUUS
grimoire priorityP1 · Urgent
Exploitable?
—
no known exploitation
Likely / severe?
16.5% (97th) EPSS
CVSS 5 · medium
Is it mine?
15 products
Check your exposure
Who says so?
3 sources
enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-26

Apache does not filter terminal escape sequences from its error logs, which could make it easier for attackers to insert those sequences into terminal emulators containing vulnerabilities related to escape sequences.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedRed Hat Stronghold 4redhat_csaf

    Fixed Stronghold 4 packages are now available via the update agent service; run $ bin/agent from the Stronghold 4 install root to upgrade an existing Stronghold 4 installation to the new package versions. After upgrading Stronghold, the server must be completely restarted by running the following commands from the install root: $ bin/stop-server $ bin/stop-tomcat $ bin/start-tomcat $ bin/start-server For more information on how to upgrade between releases of Stronghold 4, see http://stronghold.redhat.com/support/upgrade-sh4

    https://access.redhat.com/errata/RHSA-2003:082
  • FixedStronghold 4 for Red Hat Enterprise Linuxredhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2003:083
  • FixedRed Hat Stronghold 3redhat_csaf

    We have backported the security fixes for the versions of OpenSSL, Apache and PHP included in Stronghold 3. Stronghold 3.0 build code 3021 is now available which includes these fixes, and can be downloaded from http://stronghold.redhat.com/sh3/ For information on how to upgrade between releases of Stronghold 3.0, see http://stronghold.redhat.com/support/upgrade-sh3.xml

    https://access.redhat.com/errata/RHSA-2003:104
  • FixedRed Hat Linux 8.0redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2003:139
  • FixedRed Hat Linux 9redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2003:139
  • FixedRed Hat Linux 7.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. If up2date fails to connect to Red Hat Network due to SSL Certificate Errors, you need to install a version of the up2date client with an updated certificate. The latest version of up2date is available from the Red Hat FTP site and may also be downloaded directly from the RHN website: https://rhn.redhat.com/help/latest-up2date.pxt

    https://access.redhat.com/errata/RHSA-2003:243
  • FixedRed Hat Linux 7.2redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. If up2date fails to connect to Red Hat Network due to SSL Certificate Errors, you need to install a version of the up2date client with an updated certificate. The latest version of up2date is available from the Red Hat FTP site and may also be downloaded directly from the RHN website: https://rhn.redhat.com/help/latest-up2date.pxt

    https://access.redhat.com/errata/RHSA-2003:243
  • FixedRed Hat Linux 7.3redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. If up2date fails to connect to Red Hat Network due to SSL Certificate Errors, you need to install a version of the up2date client with an updated certificate. The latest version of up2date is available from the Red Hat FTP site and may also be downloaded directly from the RHN website: https://rhn.redhat.com/help/latest-up2date.pxt

    https://access.redhat.com/errata/RHSA-2003:243
  • FixedRed Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. If up2date fails to connect to Red Hat Network due to SSL Certificate Errors, you need to install a version of the up2date client with an updated certificate. The latest version of up2date is available from the Red Hat FTP site and may also be downloaded directly from the RHN website: https://rhn.redhat.com/help/latest-up2date.pxt

    https://access.redhat.com/errata/RHSA-2003:244
  • FixedRed Hat Enterprise Linux ES version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. If up2date fails to connect to Red Hat Network due to SSL Certificate Errors, you need to install a version of the up2date client with an updated certificate. The latest version of up2date is available from the Red Hat FTP site and may also be downloaded directly from the RHN website: https://rhn.redhat.com/help/latest-up2date.pxt

    https://access.redhat.com/errata/RHSA-2003:244
  • FixedRed Hat Enterprise Linux WS version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. If up2date fails to connect to Red Hat Network due to SSL Certificate Errors, you need to install a version of the up2date client with an updated certificate. The latest version of up2date is available from the Red Hat FTP site and may also be downloaded directly from the RHN website: https://rhn.redhat.com/help/latest-up2date.pxt

    https://access.redhat.com/errata/RHSA-2003:244
  • FixedRed Hat Linux Advanced Workstation 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. If up2date fails to connect to Red Hat Network due to SSL Certificate Errors, you need to install a version of the up2date client with an updated certificate. The latest version of up2date is available from the Red Hat FTP site and may also be downloaded directly from the RHN website: https://rhn.redhat.com/help/latest-up2date.pxt

    https://access.redhat.com/errata/RHSA-2003:244
02

cvss

Technical severity, 0–10. One row per scoring source.

5.0
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9
v2.04.3mediumAV:N/AC:L/Au:N/C:N/I:P/A:N/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-116USLLM-inferredCWE-20USLLM-inferred
04

affected products (15)

Products and version ranges known to be affected.

05

advisories (6)

Vendor and ecosystem advisories describing this.

  • RHSA-2003:082Red Hat Security Advisory: apache, openssl, php, tomcat security update for Stronghold2003-03-03csaf · redhat_csafUS

    Updated versions of Stronghold 4 cross-platform are available to fix a number of vulnerabilities in OpenSSL, Apache, PHP, and Tomcat. Also included in this update are bug fixes for mod_proxy and the mod_authz_ldap package.

  • RHSA-2003:083Red Hat Security Advisory: apache security update for Stronghold2003-06-18csaf · redhat_csafUS

    Updated Apache packages are available which fix a security issue by preventing control characters from being written to the error log. The updated packages also include a minor bug fix for mod_proxy.

  • RHSA-2003:104Red Hat Security Advisory: apache, openssl, php security update for Stronghold2003-03-18csaf · redhat_csafUS

    Updated versions of Stronghold 3.0 are available to fix a number of vulnerabilities in OpenSSL, Apache, and PHP.

  • RHSA-2003:139Red Hat Security Advisory: : Updated httpd packages fix security vulnerabilities.2003-04-09csaf · redhat_csafUS

    Updated httpd packages which fix a number of security issues are now available for Red Hat Linux 8.0 and 9.

  • RHSA-2003:243Red Hat Security Advisory: : Updated Apache and mod_ssl packages fix security vulnerabilities2003-09-22csaf · redhat_csafUS

    Updated Apache and mod_ssl packages that fix several minor security issues are now available for Red Hat Linux 7.1, 7.2, and 7.3.

  • RHSA-2003:244Red Hat Security Advisory: apache security update2003-09-22csaf · redhat_csafUS

    Updated Apache and mod_ssl packages that fix several minor security issues are now available for Red Hat Enterprise Linux.

06

also known as (2)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

enisa_euvdnvdredhat_csafNVDCVE.orgMITRE
published 2003-03-18modified 2026-06-16
08

references (76)

External citations — patches, advisories, analysis.

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