CVE-2012-2735

Session fixation vulnerability in Cumin before 0.1.5444, as used in Red Hat Enterprise Messaging, Realtime, and Grid (MRG) 2.0, allows remote attackers to hijack web sessions via a crafted session cookie.

Published: 2012-09-28 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-2735 is rated Moderate Risk (46/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.57%). EPSS rose +1.18% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-2735

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.39% 1.57% +1.18%
2 2025-03-17 0.19% 0.39% +0.20%
3 2023-03-07 — 0.19% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-2735

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.9 2.0 MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 6.8 4.9 [email protected]

Weakness enumeration for CVE-2012-2735

OS Trackers for CVE-2012-2735

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2012-2735

NVD evaluator notes for CVE-2012-2735

Impact: Per: http://rhn.redhat.com/errata/RHSA-2012-1278.html " An authenticated user able to pre-set the Cumin session cookie in a victim's browser could possibly use this flaw to steal the victim's session after they log into Cumin."

Comment: Per: http://cwe.mitre.org/data/definitions/384.html 'CWE-384: Session Fixation'

Affected software / configurations for CVE-2012-2735

Vendor Product Version Raw CPE
trevor_mckay cumin <= 0.1.5192-4 cpe:2.3:a:trevor_mckay:cumin:*:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.3160-1 cpe:2.3:a:trevor_mckay:cumin:0.1.3160-1:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.4369-1 cpe:2.3:a:trevor_mckay:cumin:0.1.4369-1:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.4410-2 cpe:2.3:a:trevor_mckay:cumin:0.1.4410-2:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.4494-1 cpe:2.3:a:trevor_mckay:cumin:0.1.4494-1:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.4794-1 cpe:2.3:a:trevor_mckay:cumin:0.1.4794-1:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.4916-1 cpe:2.3:a:trevor_mckay:cumin:0.1.4916-1:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5033-1 cpe:2.3:a:trevor_mckay:cumin:0.1.5033-1:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5037-1 cpe:2.3:a:trevor_mckay:cumin:0.1.5037-1:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5054-1 cpe:2.3:a:trevor_mckay:cumin:0.1.5054-1:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5068-1 cpe:2.3:a:trevor_mckay:cumin:0.1.5068-1:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5092-1 cpe:2.3:a:trevor_mckay:cumin:0.1.5092-1:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5098-2 cpe:2.3:a:trevor_mckay:cumin:0.1.5098-2:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5105-1 cpe:2.3:a:trevor_mckay:cumin:0.1.5105-1:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5137-1 cpe:2.3:a:trevor_mckay:cumin:0.1.5137-1:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5137-2 cpe:2.3:a:trevor_mckay:cumin:0.1.5137-2:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5137-3 cpe:2.3:a:trevor_mckay:cumin:0.1.5137-3:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5137-4 cpe:2.3:a:trevor_mckay:cumin:0.1.5137-4:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5137-5 cpe:2.3:a:trevor_mckay:cumin:0.1.5137-5:*:*:*:*:*:*:*
trevor_mckay cumin 0.1.5192-1 cpe:2.3:a:trevor_mckay:cumin:0.1.5192-1:*:*:*:*:*:*:*
redhat enterprise_mrg 2.0 cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*

References for CVE-2012-2735

cvelogic Threat Intelligence