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Fencer Intel
medium 5.3

CVE-2012-3458 json

Beaker Sensitive Information Disclosure vulnerability

published 2012-09-15 14 y ago modified 2026-06-16 4 mo ago also GHSA-39vm-p9mr-4r27 , PYSEC-2012-1 , EUVD-2012-0002

cvss
5.3
version 3.1, GitHub
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Beaker before 1.6.4, when using PyCrypto to encrypt sessions, uses AES in ECB cipher mode, which might allow remote attackers to obtain portions of sensitive session data via unspecified vectors.

Patch / fix

  • pypi beaker 1.6.4, 1.6.5.post1
  • beaker Debian 14, Debian 13, Debian 12 1.6.3-1.1

debian advisories DEBIAN-CVE-2012-3458

  • python-Beaker openSUSE Tumbleweed 1.13.0-2.4
  • python-Beaker openSUSE Tumbleweed 1.11.0-5.5

opensuse advisories openSUSE-SU-2026:11987-1openSUSE-SU-2024:11203-1

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-2012-3458 updated cvss 4.0

python-beaker: weak use of crypto can leak information to remote attackers

  • Red Hat Enterprise Linux 6 python-beaker
    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

Exploit prediction

2.46% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
pypi beaker
<1.6.4
<1.6.5.post1
1.6.4
1.6.5.post1

Classification

Weakness

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.