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CVE-2013-4479

19
FAUCET Score

CVE-2013-4479 describes a command injection vulnerability in Sup versions prior to 0.13.2.1 and 0.14.1.1, specifically within the lib/sup/message_chunks.rb component. This flaw allows unauthenticated remote attackers to execute arbitrary commands by injecting shell metacharacters into the content_type of an email attachment. With a CVSS score of 6.8, this vulnerability is of medium severity, requiring moderate attack complexity but potentially leading to partial confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.13.2CPE matchmatch criteria
cpe:2.3:a:supmua:sup:*:*:*:*:*:*:*:*
0.13.0CPE matchmatch criteria
cpe:2.3:a:supmua:sup:0.13.0:*:*:*:*:*:*:*
0.13.1CPE matchmatch criteria
cpe:2.3:a:supmua:sup:0.13.1:*:*:*:*:*:*:*
0.14.0CPE matchmatch criteria
cpe:2.3:a:supmua:sup:0.14.0:*:*:*:*:*:*:*
0.14.1CPE matchmatch criteria
cpe:2.3:a:supmua:sup:0.14.1:*:*:*:*:*:*:*

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
3.24%
Probability of exploitation in next 30 days
EPSS Percentile
87.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0324 is in the 81st percentile among its peer group of 19,955 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (3)

github_advisorypatch availablevia nvd_reference
View patch
rubygemspatch availablevia ghsa
Product: supFixed in: 0.13.2.1
rubygemspatch availablevia ghsa
Product: supFixed in: 0.14.1.1

Vendor Advisories (1)

rubygemsGHSA-hh2x-7mf9-78frmedium

Sup Code Injection vulnerability

May 17, 2022

References

lists.fedoraproject.org / pipermail/package-announce/2015-September/165917.html
rubyforge.org / pipermail/sup-talk/2013-October/004996.html
seclists.org / fulldisclosure/2013/Oct/272
secunia.com / advisories/55294
Vendor Advisory
secunia.com / advisories/55400
Vendor Advisory
github.com / sup-heliotrope/sup/commit/ca0302e0c716682d2de22e9136400c704cc93e42
ExploitPatch
debian.org / security/2012/dsa-2805
openwall.com / lists/oss-security/2013/10/30/2