CVE-2011-2381

CRLF injection vulnerability in Bugzilla 2.17.1 through 2.22.7, 3.0.x through 3.3.x, 3.4.x before 3.4.12, 3.5.x, 3.6.x before 3.6.6, 3.7.x, 4.0.x before 4.0.2, and 4.1.x before 4.1.3 allows remote attackers to inject arbitrary e-mail headers via an attachment description in a flagmail notification.

Published: 2011-08-09 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-2381 is rated Low Risk (38.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.48%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2011-2381

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 2025-03-30 0.70% 0.48% -0.22%
2 2025-03-29 0.48% 0.70% +0.22%
3 2025-03-17 — 0.48% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2381

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/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:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2011-2381

OS Trackers for CVE-2011-2381

vendor priority summary link
gentoo normal CVE-2011-2381: 1 GLSA(s) (201110-03), 1 atom(s) (www-apps/bugzilla); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-2381
ubuntu medium CVE-2011-2381 medium priority: Ubuntu including 1 source packages (bugzilla), 10 status rows across 10 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, upstream): DNE 4, ignored 4, not-affected 1, released 1. https://ubuntu.com/security/CVE-2011-2381

Affected software / configurations for CVE-2011-2381

Vendor Product Version Raw CPE
mozilla bugzilla 2.17.1 cpe:2.3:a:mozilla:bugzilla:2.17.1:*:*:*:*:*:*:*
mozilla bugzilla 2.17.3 cpe:2.3:a:mozilla:bugzilla:2.17.3:*:*:*:*:*:*:*
mozilla bugzilla 2.17.4 cpe:2.3:a:mozilla:bugzilla:2.17.4:*:*:*:*:*:*:*
mozilla bugzilla 2.17.5 cpe:2.3:a:mozilla:bugzilla:2.17.5:*:*:*:*:*:*:*
mozilla bugzilla 2.17.6 cpe:2.3:a:mozilla:bugzilla:2.17.6:*:*:*:*:*:*:*
mozilla bugzilla 2.17.7 cpe:2.3:a:mozilla:bugzilla:2.17.7:*:*:*:*:*:*:*
mozilla bugzilla 2.18 cpe:2.3:a:mozilla:bugzilla:2.18:*:*:*:*:*:*:*
mozilla bugzilla 2.18 cpe:2.3:a:mozilla:bugzilla:2.18:rc1:*:*:*:*:*:*
mozilla bugzilla 2.18 cpe:2.3:a:mozilla:bugzilla:2.18:rc2:*:*:*:*:*:*
mozilla bugzilla 2.18 cpe:2.3:a:mozilla:bugzilla:2.18:rc3:*:*:*:*:*:*
mozilla bugzilla 2.18.1 cpe:2.3:a:mozilla:bugzilla:2.18.1:*:*:*:*:*:*:*
mozilla bugzilla 2.18.2 cpe:2.3:a:mozilla:bugzilla:2.18.2:*:*:*:*:*:*:*
mozilla bugzilla 2.18.3 cpe:2.3:a:mozilla:bugzilla:2.18.3:*:*:*:*:*:*:*
mozilla bugzilla 2.18.4 cpe:2.3:a:mozilla:bugzilla:2.18.4:*:*:*:*:*:*:*
mozilla bugzilla 2.18.5 cpe:2.3:a:mozilla:bugzilla:2.18.5:*:*:*:*:*:*:*
mozilla bugzilla 2.18.6 cpe:2.3:a:mozilla:bugzilla:2.18.6:*:*:*:*:*:*:*
mozilla bugzilla 2.19 cpe:2.3:a:mozilla:bugzilla:2.19:*:*:*:*:*:*:*
mozilla bugzilla 2.19.1 cpe:2.3:a:mozilla:bugzilla:2.19.1:*:*:*:*:*:*:*
mozilla bugzilla 2.19.2 cpe:2.3:a:mozilla:bugzilla:2.19.2:*:*:*:*:*:*:*
mozilla bugzilla 2.19.3 cpe:2.3:a:mozilla:bugzilla:2.19.3:*:*:*:*:*:*:*
mozilla bugzilla 2.20 cpe:2.3:a:mozilla:bugzilla:2.20:*:*:*:*:*:*:*
mozilla bugzilla 2.20 cpe:2.3:a:mozilla:bugzilla:2.20:rc1:*:*:*:*:*:*
mozilla bugzilla 2.20 cpe:2.3:a:mozilla:bugzilla:2.20:rc2:*:*:*:*:*:*
mozilla bugzilla 2.20.1 cpe:2.3:a:mozilla:bugzilla:2.20.1:*:*:*:*:*:*:*
mozilla bugzilla 2.20.2 cpe:2.3:a:mozilla:bugzilla:2.20.2:*:*:*:*:*:*:*
mozilla bugzilla 2.20.3 cpe:2.3:a:mozilla:bugzilla:2.20.3:*:*:*:*:*:*:*
mozilla bugzilla 2.20.4 cpe:2.3:a:mozilla:bugzilla:2.20.4:*:*:*:*:*:*:*
mozilla bugzilla 2.20.5 cpe:2.3:a:mozilla:bugzilla:2.20.5:*:*:*:*:*:*:*
mozilla bugzilla 2.20.6 cpe:2.3:a:mozilla:bugzilla:2.20.6:*:*:*:*:*:*:*
mozilla bugzilla 2.20.7 cpe:2.3:a:mozilla:bugzilla:2.20.7:*:*:*:*:*:*:*
mozilla bugzilla 2.21 cpe:2.3:a:mozilla:bugzilla:2.21:*:*:*:*:*:*:*
mozilla bugzilla 2.21.1 cpe:2.3:a:mozilla:bugzilla:2.21.1:*:*:*:*:*:*:*
mozilla bugzilla 2.21.2 cpe:2.3:a:mozilla:bugzilla:2.21.2:*:*:*:*:*:*:*
mozilla bugzilla 2.22 cpe:2.3:a:mozilla:bugzilla:2.22:*:*:*:*:*:*:*
mozilla bugzilla 2.22 cpe:2.3:a:mozilla:bugzilla:2.22:rc1:*:*:*:*:*:*
mozilla bugzilla 2.22.1 cpe:2.3:a:mozilla:bugzilla:2.22.1:*:*:*:*:*:*:*
mozilla bugzilla 2.22.2 cpe:2.3:a:mozilla:bugzilla:2.22.2:*:*:*:*:*:*:*
mozilla bugzilla 2.22.3 cpe:2.3:a:mozilla:bugzilla:2.22.3:*:*:*:*:*:*:*
mozilla bugzilla 2.22.4 cpe:2.3:a:mozilla:bugzilla:2.22.4:*:*:*:*:*:*:*
mozilla bugzilla 2.22.5 cpe:2.3:a:mozilla:bugzilla:2.22.5:*:*:*:*:*:*:*
mozilla bugzilla 2.22.6 cpe:2.3:a:mozilla:bugzilla:2.22.6:*:*:*:*:*:*:*
mozilla bugzilla 2.22.7 cpe:2.3:a:mozilla:bugzilla:2.22.7:*:*:*:*:*:*:*
mozilla bugzilla 3.4 cpe:2.3:a:mozilla:bugzilla:3.4:*:*:*:*:*:*:*
mozilla bugzilla 3.4 cpe:2.3:a:mozilla:bugzilla:3.4:rc1:*:*:*:*:*:*
mozilla bugzilla 3.4.1 cpe:2.3:a:mozilla:bugzilla:3.4.1:*:*:*:*:*:*:*
mozilla bugzilla 3.4.2 cpe:2.3:a:mozilla:bugzilla:3.4.2:*:*:*:*:*:*:*
mozilla bugzilla 3.4.3 cpe:2.3:a:mozilla:bugzilla:3.4.3:*:*:*:*:*:*:*
mozilla bugzilla 3.4.4 cpe:2.3:a:mozilla:bugzilla:3.4.4:*:*:*:*:*:*:*
mozilla bugzilla 3.4.5 cpe:2.3:a:mozilla:bugzilla:3.4.5:*:*:*:*:*:*:*
mozilla bugzilla 3.4.6 cpe:2.3:a:mozilla:bugzilla:3.4.6:*:*:*:*:*:*:*
mozilla bugzilla 3.4.7 cpe:2.3:a:mozilla:bugzilla:3.4.7:*:*:*:*:*:*:*
mozilla bugzilla 3.4.8 cpe:2.3:a:mozilla:bugzilla:3.4.8:*:*:*:*:*:*:*
mozilla bugzilla 3.4.9 cpe:2.3:a:mozilla:bugzilla:3.4.9:*:*:*:*:*:*:*
mozilla bugzilla 3.4.10 cpe:2.3:a:mozilla:bugzilla:3.4.10:*:*:*:*:*:*:*
mozilla bugzilla 3.4.11 cpe:2.3:a:mozilla:bugzilla:3.4.11:*:*:*:*:*:*:*
mozilla bugzilla 3.5 cpe:2.3:a:mozilla:bugzilla:3.5:*:*:*:*:*:*:*
mozilla bugzilla 3.5.1 cpe:2.3:a:mozilla:bugzilla:3.5.1:*:*:*:*:*:*:*
mozilla bugzilla 3.5.2 cpe:2.3:a:mozilla:bugzilla:3.5.2:*:*:*:*:*:*:*
mozilla bugzilla 3.5.3 cpe:2.3:a:mozilla:bugzilla:3.5.3:*:*:*:*:*:*:*
mozilla bugzilla 3.6 cpe:2.3:a:mozilla:bugzilla:3.6:*:*:*:*:*:*:*
mozilla bugzilla 3.6 cpe:2.3:a:mozilla:bugzilla:3.6:rc1:*:*:*:*:*:*
mozilla bugzilla 3.6.0 cpe:2.3:a:mozilla:bugzilla:3.6.0:*:*:*:*:*:*:*
mozilla bugzilla 3.6.1 cpe:2.3:a:mozilla:bugzilla:3.6.1:*:*:*:*:*:*:*
mozilla bugzilla 3.6.2 cpe:2.3:a:mozilla:bugzilla:3.6.2:*:*:*:*:*:*:*
mozilla bugzilla 3.6.3 cpe:2.3:a:mozilla:bugzilla:3.6.3:*:*:*:*:*:*:*
mozilla bugzilla 3.6.4 cpe:2.3:a:mozilla:bugzilla:3.6.4:*:*:*:*:*:*:*
mozilla bugzilla 3.6.5 cpe:2.3:a:mozilla:bugzilla:3.6.5:*:*:*:*:*:*:*
mozilla bugzilla 3.7 cpe:2.3:a:mozilla:bugzilla:3.7:*:*:*:*:*:*:*
mozilla bugzilla 3.7.1 cpe:2.3:a:mozilla:bugzilla:3.7.1:*:*:*:*:*:*:*
mozilla bugzilla 3.7.2 cpe:2.3:a:mozilla:bugzilla:3.7.2:*:*:*:*:*:*:*
mozilla bugzilla 3.7.3 cpe:2.3:a:mozilla:bugzilla:3.7.3:*:*:*:*:*:*:*
mozilla bugzilla 4.0 cpe:2.3:a:mozilla:bugzilla:4.0:*:*:*:*:*:*:*
mozilla bugzilla 4.0 cpe:2.3:a:mozilla:bugzilla:4.0:rc1:*:*:*:*:*:*
mozilla bugzilla 4.0 cpe:2.3:a:mozilla:bugzilla:4.0:rc2:*:*:*:*:*:*
mozilla bugzilla 4.0.1 cpe:2.3:a:mozilla:bugzilla:4.0.1:*:*:*:*:*:*:*
mozilla bugzilla 4.1 cpe:2.3:a:mozilla:bugzilla:4.1:*:*:*:*:*:*:*
mozilla bugzilla 4.1.1 cpe:2.3:a:mozilla:bugzilla:4.1.1:*:*:*:*:*:*:*
mozilla bugzilla 4.1.2 cpe:2.3:a:mozilla:bugzilla:4.1.2:*:*:*:*:*:*:*
mozilla bugzilla 3.0 cpe:2.3:a:mozilla:bugzilla:3.0:*:*:*:*:*:*:*
mozilla bugzilla 3.0 cpe:2.3:a:mozilla:bugzilla:3.0:rc1:*:*:*:*:*:*

References for CVE-2011-2381

cvelogic Threat Intelligence