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CVE-2011-1905

23
FAUCET Score

CVE-2011-1905 describes multiple Cross-Site Request Forgery (CSRF) vulnerabilities present in unspecified administrative modules of Proofpoint Messaging Security Gateway and Proofpoint Protection Server. This flaw allows remote attackers to hijack administrator authentication through unknown vectors. With a CVSS score of 6.8, this vulnerability is rated as medium severity, indicating that an attacker could achieve partial confidentiality, integrity, and availability impacts with moderate attack complexity. 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

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
0.67%
Probability of exploitation in next 30 days
EPSS Percentile
48.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0067 is in the 9th percentile among its peer group of 19,953 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

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