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CVE-2011-1902

18
FAUCET Score

CVE-2011-1902 describes a directory traversal vulnerability in the web interface of Proofpoint Messaging Security Gateway and Proofpoint Protection Server. This flaw allows unauthenticated remote attackers to read arbitrary files on the affected system. With a CVSS score of 5.0, this vulnerability is considered medium severity, requiring no authentication and having low attack complexity, but only impacting confidentiality. There is no known exploit code publicly available, nor is there evidence of active exploitation, and it has received minimal community discussion or media coverage.

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

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.94%
Probability of exploitation in next 30 days
EPSS Percentile
78.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0194 is in the 66th percentile among its peer group of 23,684 CVEs.

Social Chatter

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