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Fencer Intel
medium 4.2

CVE-2014-2532 json

sshd in OpenSSH before 6.6 does not properly support wildcards on AcceptEnv lines in sshd_config, which allows remote attackers to bypass i…

published 2014-03-18 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-2568

cvss
4.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
4.8%
EPSS 4.8% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

sshd in OpenSSH before 6.6 does not properly support wildcards on AcceptEnv lines in sshd_config, which allows remote attackers to bypass intended environment restrictions by using a substring located before a wildcard character.

Patch / fix

  • openssh Debian 14, Debian 13, Debian 12 1:6.6p1-1

debian advisories DEBIAN-CVE-2014-2532

  • openssh RHEL 6 5.3p1-104.el6
  • openssh-ldap RHEL 6 5.3p1-104.el6
  • openssh-server RHEL 6 5.3p1-104.el6
  • openssh-askpass RHEL 6 5.3p1-104.el6
  • openssh-clients RHEL 6 5.3p1-104.el6
  • pam_ssh_agent_auth RHEL 6 0.9.3-104.el6

red hat advisories RHSA-2014:1552

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-2532 updated cvss 2.1

openssh: AcceptEnv environment restriction bypass flaw

  • Red Hat Enterprise Linux 5 openssh
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Desktop (v. 6) openssh 5.3p1-104.el6, openssh-server 5.3p1-104.el6, openssh-askpass 5.3p1-104.el6, openssh-clients 5.3p1-104.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) openssh-ldap 5.3p1-104.el6, pam_ssh_agent_auth 0.9.3-104.el6 Red Hat Enterprise Linux HPC Node (v. 6) openssh 5.3p1-104.el6, openssh-server 5.3p1-104.el6, openssh-clients 5.3p1-104.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) openssh-ldap 5.3p1-104.el6, openssh-askpass 5.3p1-104.el6, pam_ssh_agent_auth 0.9.3-104.el6 Red Hat Enterprise Linux Server (v. 6) openssh 5.3p1-104.el6, openssh-server 5.3p1-104.el6, openssh-askpass 5.3p1-104.el6, openssh-clients 5.3p1-104.el6 Red Hat Enterprise Linux Server Optional (v. 6) openssh-ldap 5.3p1-104.el6, pam_ssh_agent_auth 0.9.3-104.el6
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 6) openssh 5.3p1-104.el6, openssh-server 5.3p1-104.el6, openssh-askpass 5.3p1-104.el6, openssh-clients 5.3p1-104.el6 Red Hat Enterprise Linux Workstation Optional (v. 6) openssh-ldap 5.3p1-104.el6, pam_ssh_agent_auth 0.9.3-104.el6
    fixed: vendor fix RHSA-2014:1552
  • Red Hat Enterprise Linux 7 openssh, openssh-cavs, openssh-ldap, openssh-keycat, openssh-server, openssh-askpass, +3 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
5 mo ago

Exploit prediction

4.75% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CNA 3.1 4.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD 3.0 4.9 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Weakness
  • CWE-266 Incorrect Privilege Assignment
  • CWE-20 Improper Input Validation
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.