CVE-2004-0940

mediumpriority · track · 43EPSS 0.048 · 92 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · functional

Likely / severe?

4.83% (92nd) EPSS

CVSS 6.9 · medium

Is it mine?

27 products

Check your exposure

Who says so?

3 sources

enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

Buffer overflow in the get_tag function in mod_include for Apache 1.3.x to 1.3.32 allows local users who can create SSI documents to execute arbitrary code as the apache user via SSI (XSSI) documents that trigger a length calculation error.

remediations

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

A vendor fix is available.

FixedRed Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:600
FixedRed Hat Enterprise Linux ES version 2.1redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:600
FixedRed Hat Enterprise Linux WS version 2.1redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:600
FixedRed Hat Linux Advanced Workstation 2.1redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:600
FixedRed Hat Stronghold 4redhat_csaf
Updated Stronghold 4 packages are now available via the update agent service. Run the following command from the Stronghold 4 install root to upgrade an existing Stronghold 4 installation to the new package versions: $ bin/agent The Stronghold 4.0j patch release which contains these updated packages is also available from the download site. After upgrading Stronghold, the server must be completely restarted by running the following commands from the install root: $ bin/stop-server $ bin/start-server For more information on how to upgrade between releases of Stronghold 4, refer to http://stronghold.redhat.com/support/upgrade-sh4
https://access.redhat.com/errata/RHSA-2004:653

cvss

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

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.8

v2.06.9mediumAV:L/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.4 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-131USprimary

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-24694Apache 1.3.x mod_include - Local Buffer Overflowfunctional · exploit_db
EDB-587Apache 1.3.31 mod_include - Local Buffer Overflowfunctional · exploit_db

affected products (27)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
apache http server1.3 → 1.3.32nvdUScpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
hp hp-ux= 11.00nvdUScpe:2.3:o:hp:hp-ux:*:*:*:*:*:*:*:*
hp hp-ux= 11.11nvdUScpe:2.3:o:hp:hp-ux:*:*:*:*:*:*:*:*
hp hp-ux= 11.20nvdUScpe:2.3:o:hp:hp-ux:*:*:*:*:*:*:*:*
hp hp-ux= 11.22nvdUScpe:2.3:o:hp:hp-ux:*:*:*:*:*:*:*:*
openpkg openpkg= 2.0nvdUScpe:2.3:a:openpkg:openpkg:*:*:*:*:*:*:*:*
openpkg openpkg= 2.1nvdUScpe:2.3:a:openpkg:openpkg:*:*:*:*:*:*:*:*
openpkg openpkg= 2.2nvdUScpe:2.3:a:openpkg:openpkg:*:*:*:*:*:*:*:*
slackware slackware linux= 10.0nvdUScpe:2.3:o:slackware:slackware_linux:*:*:*:*:*:*:*:*
slackware slackware linux= 8.0nvdUScpe:2.3:o:slackware:slackware_linux:*:*:*:*:*:*:*:*
slackware slackware linux= 8.1nvdUScpe:2.3:o:slackware:slackware_linux:*:*:*:*:*:*:*:*
slackware slackware linux= 9.0nvdUScpe:2.3:o:slackware:slackware_linux:*:*:*:*:*:*:*:*
slackware slackware linux= 9.1nvdUScpe:2.3:o:slackware:slackware_linux:*:*:*:*:*:*:*:*
slackware slackware linux= currentnvdUScpe:2.3:o:slackware:slackware_linux:*:*:*:*:*:*:*:*
suse suse linux= 8.0nvdUScpe:2.3:o:suse:suse_linux:*:*:*:*:*:*:*:*
suse suse linux= 8.1nvdUScpe:2.3:o:suse:suse_linux:*:*:*:*:*:*:*:*
suse suse linux= 8.2nvdUScpe:2.3:o:suse:suse_linux:*:*:*:*:*:*:*:*
suse suse linux= 9.0nvdUScpe:2.3:o:suse:suse_linux:*:*:*:*:*:*:*:*
suse suse linux= 9.1nvdUScpe:2.3:o:suse:suse_linux:*:*:*:*:*:*:*:*

showing 20 of 27

advisories (2)

Vendor and ecosystem advisories describing this.

RHSA-2004:600Red Hat Security Advisory: apache, mod_ssl security update2004-12-13csaf · redhat_csafUS
Updated apache and mod_ssl packages that fix various minor security issues and bugs in the Apache Web server are now available for Red Hat Enterprise Linux 2.1.
RHSA-2004:653Red Hat Security Advisory: apache, mod_ssl security update for Stronghold2004-12-20csaf · redhat_csafUS
Updated versions of cross-platform Stronghold that fix security issues in mod_ssl and the Apache HTTP Server are now available.

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

published 2005-02-09modified 2026-06-16

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+345 more

references (42)

External citations — patches, advisories, analysis.

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