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Fencer Intel
critical 9.8

CVE-2014-125112 json

Plack::Middleware::Session::Cookie versions through 0.21 for Perl allows remote code execution

published 7mo ago modified 4mo ago also EUVD-2014-9820

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

Plack::Middleware::Session::Cookie versions through 0.21 for Perl allows remote code execution.

Plack::Middleware::Session::Cookie versions through 0.21 has a security vulnerability where it allows an attacker to execute arbitrary code on the server during deserialization of the cookie data, when there is no secret used to sign the cookie.

Patch / fix

  • miyagawa plack-middleware-session 0.23
  • miyagawa plack::middleware::session::cookie 0.23
  • plack plack-middleware-session 0.23
  • libplack-middleware-session-perl Debian 14, Debian 13, Debian 12 0.24-1

debian advisories DEBIAN-CVE-2014-125112

Is CVE-2014-125112 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2014-125112 updated cvss 9.8

Plack::Middleware::Session::Cookie: Plack::Middleware::Session::Cookie: Remote code execution via deserialization of unsigned cookie data

  • Red Hat All currently supported Red Hat products
    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
yes
Technical impact
total
Assessed
7mo ago

Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • MIYAGAWA Plack::Middleware::Session::Cookie

Classification

Weakness
  • CWE-565 Reliance on Cookies without Validation and Integrity Checking

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.