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CVE-2011-1904

23
FAUCET Score

CVE-2011-1904 is a critical command injection vulnerability affecting the web interface of Proofpoint Messaging Security Gateway versions 6.2.0.263:6.2.0.237 and earlier, and Proofpoint Protection Server versions 5.5.3 through 6.2.0. This flaw allows unauthenticated remote attackers to execute arbitrary commands on the vulnerable system through unspecified vectors. With a CVSS score of 7.5, this vulnerability poses a high risk, enabling full compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.2.0.263\:6.2.0.237CPE matchmatch criteria
cpe:2.3:a:proofpoint:messaging_security_gateway:*:*:*:*:*:*:*:*
5.5.3CPE matchmatch criteria
cpe:2.3:a:proofpoint:protection_server:5.5.3:*:*:*:*:*:*:*
5.5.4CPE matchmatch criteria
cpe:2.3:a:proofpoint:protection_server:5.5.4:*:*:*:*:*:*:*
5.5.5CPE matchmatch criteria
cpe:2.3:a:proofpoint:protection_server:5.5.5:*:*:*:*:*:*:*
6.0.2CPE matchmatch criteria
cpe:2.3:a:proofpoint:protection_server:6.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.36%
Probability of exploitation in next 30 days
EPSS Percentile
82.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0236 is in the 68th percentile among its peer group of 51,455 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.proofpoint.com / article.cgi
clearskies.net / documents/css-advisory-css1105-proofpoint.php
kb.cert.org / vuls/id/790980
US Government Resource