The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have other unspecified impact by accessing the cache.
CVE-2012-2671
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 81.7%
- KEV
- Not listed
Published
June 17, 2012
Last Modified
April 29, 2026
References (16)
- secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2012-June/081812.html
- secalert@redhathttp://www.openwall.com/lists/oss-security/2012/06/06/4
- secalert@redhathttp://www.openwall.com/lists/oss-security/2012/06/06/8
- secalert@redhathttps://bugzilla.novell.com/show_bug.cgi?id=763650
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=824520
- secalert@redhathttps://github.com/rtomayko/rack-cache/blob/master/CHANGES
- secalert@redhathttps://github.com/rtomayko/rack-cache/commit/2e3a64d07daac4c757cc57620f2288e865a09b90
- secalert@redhathttps://github.com/rtomayko/rack-cache/pull/52
- af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081812.html
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2012/06/06/4
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2012/06/06/8
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.novell.com/show_bug.cgi?id=763650
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=824520
- af854a3a-2127-422b-91ae-364da2661108https://github.com/rtomayko/rack-cache/blob/master/CHANGES
- af854a3a-2127-422b-91ae-364da2661108https://github.com/rtomayko/rack-cache/commit/2e3a64d07daac4c757cc57620f2288e865a09b90
Affected Packages
(1 across 1 ecosystem)
RubyGems(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| rack-cache | 0.3.0 ... 1.1 (10 versions) | 1.2 | — |
Data Freshness Timeline
(refreshed 10× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:23 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-05 14:59 UTCOSV refresh
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- 2026-06-21 01:56 UTCEPSS rescore
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- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 02:05 UTCOSV refresh
- 2026-06-16 17:49 UTCEPSS rescore
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- 2026-06-14 23:14 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 04:17 UTCEG score recompute
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-27 13:38 UTCEPSS rescore
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- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
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- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
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- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-21 22:39 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
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- 2026-05-20 11:21 UTCEPSS rescore
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- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2012-2671?
CVE-2012-2671 is a none vulnerability published on June 17, 2012. The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have other unspecified impact by accessing the cache.
When was CVE-2012-2671 disclosed?
CVE-2012-2671 was first published in the National Vulnerability Database on June 17, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-2671 actively exploited?
CVE-2012-2671 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-2671?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-2671, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2012-2671
Is Your Infrastructure Affected by CVE-2012-2671?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.