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CVE-2011-0739

22
FAUCET Score

CVE-2011-0739 describes a command injection vulnerability in the Ruby Mail gem, specifically affecting versions 2.2.14 and earlier. Remote attackers can execute arbitrary commands by injecting shell metacharacters into an email address processed by the sendmail delivery agent. This vulnerability carries a CVSS score of 6.8, indicating a medium severity risk with potential for partial confidentiality, integrity, and availability impact, requiring medium attack complexity. There is no evidence of active exploitation, nor are there known public exploits or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.2.14CPE matchmatch criteria
cpe:2.3:a:mikel_lindsaar:mail:*:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:mikel_lindsaar:mail:1.0.0:*:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:a:mikel_lindsaar:mail:1.1.0:*:*:*:*:*:*:*
1.2.1CPE matchmatch criteria
cpe:2.3:a:mikel_lindsaar:mail:1.2.1:*:*:*:*:*:*:*
1.2.5CPE matchmatch criteria
cpe:2.3:a:mikel_lindsaar:mail:1.2.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.71%
Probability of exploitation in next 30 days
EPSS Percentile
84.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0271 is in the 76th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
rubygemspatch availablevia ghsa
Product: mailFixed in: 2.2.15

Vendor Advisories (1)

rubygemsGHSA-cpjc-p7fc-j9xhmedium

Mail Improper Input Validation vulnerability

Oct 24, 2017

References

groups.google.com / group/mail-ruby/browse_thread/thread/e93bbd05706478dd
Patch
osvdb.org / 70667
secunia.com / advisories/43077
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/65010
github.com / mikel/mail/raw/master/patches/20110126_sendmail.patch
Patch
securityfocus.com / bid/46021
vupen.com / english/advisories/2011/0233
Vendor Advisory