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Vulnerability record · CVE-2013-10031 · published 9 December 2025

CVE-2013-10031: Plack-middleware-session vulnerability

Plack · Plack Middleware Session

Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks

7.5 CVSS 3.1 High EPSS 0.29% · top 80.5% CWE-1254 · CWE-1254
7.5CVSS 3.1 base score
0.29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
16 Jun 2026Last modified by NVD

Description

Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/plack/Plack-Middleware-Session/commit/b7f0252269ba1bb812b5dc02303754fe94c808e4 Patch

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Source: NIST National Vulnerability Database (record CVE-2013-10031), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.