CVE-2002-0855

highpriority · track · 42EPSS 0.061 · 93 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · functional

Likely / severe?

6.11% (93rd) EPSS

CVSS 7.5 · high

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

Cross-site scripting vulnerability in Mailman before 2.0.12 allows remote attackers to execute script as other users via a subscriber's list subscription options in the (1) adminpw or (2) info parameters to the ml-name feature.

remediations

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

A vendor fix is available.

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.
https://access.redhat.com/errata/RHSA-2002:176
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.
https://access.redhat.com/errata/RHSA-2002:176
FixedRed Hat Powertools 7.0redhat_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-2002:177
FixedRed Hat Powertools 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.
https://access.redhat.com/errata/RHSA-2002:177
FixedRed Hat Secure Web Server 3.2redhat_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.
https://access.redhat.com/errata/RHSA-2002:178
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.
https://access.redhat.com/errata/RHSA-2002:181

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.06.8mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USLLM-inferred

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-21641GNU Mailman 2.0.x - Subscribe Cross-Site Scriptingfunctional · exploit_db
EDB-21642GNU Mailman 2.0.x - Admin Login Variant Cross-Site Scriptingfunctional · exploit_db

affected products (8)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
gnu mailman= 2.0.12nvdUScpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:*
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 all versionsfixedredhat_csafUScpe:/o:redhat:enterprise_linux:2.1::as
Red Hat Linux 7.2all versionsfixedredhat_csafUScpe:/o:redhat:linux:7.2
Red Hat Linux 7.3all versionsfixedredhat_csafUScpe:/o:redhat:linux:7.3
Red Hat Powertools 7.0all versionsfixedredhat_csafUScpe:/a:redhat:powertools:7.0
Red Hat Powertools 7.1all versionsfixedredhat_csafUScpe:/a:redhat:powertools:7.1
Red Hat Secure Web Server 3.2all versionsfixedredhat_csafUScpe:/a:redhat:secure_web_server:3.2

advisories (4)

Vendor and ecosystem advisories describing this.

RHSA-2002:176Red Hat Security Advisory: : Updated mailman packages close cross-site scripting vulnerability2002-08-23csaf · redhat_csafUS
Updated mailman packages are now available for Red Hat Linux 7.2 and 7.3. These updates close a cross-site scripting vulnerability present in mailman versions prior to version 2.0.12.
RHSA-2002:177Red Hat Security Advisory: : Updated mailman packages close cross-site scripting vulnerability2002-08-23csaf · redhat_csafUS
Updated mailman packages are now available for Red Hat Power Tools 7 and 7.1. These updates close a cross-site scripting vulnerability present in mailman versions prior to version 2.0.12.
RHSA-2002:178Red Hat Security Advisory: : Updated mailman packages close cross-site scripting vulnerability2002-08-27csaf · redhat_csafUS
Updated mailman packages are now available for Red Hat Secure Web Server 3.2 (U.S.). These updates close a cross-site scripting vulnerability present in mailman versions prior to version 2.0.12.
RHSA-2002:181Red Hat Security Advisory: mailman security update2002-08-28csaf · redhat_csafUS
Updated mailman packages are now available for Red Hat Linux Advanced Server. These updates close a cross-site scripting vulnerability present in mailman versions prior to version 2.0.12.

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 2002-09-05modified 2026-06-16

references (20)

External citations — patches, advisories, analysis.

scry

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