CVE-2011-1902

Directory traversal vulnerability in the web interface in Proofpoint Messaging Security Gateway 6.2.0.263:6.2.0.237 and earlier in Proofpoint Protection Server 5.5.3, 5.5.4, 5.5.5, 6.0.2, 6.1.1, and 6.2.0 allows remote attackers to read arbitrary files via unspecified vectors.

Published: 2011-05-05 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1902 is rated Moderate Risk (45.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.78%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-1902

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-19 0.62% 0.78% +0.16%
2 2025-09-13 0.18% 0.62% +0.43%
3 2025-03-17 — 0.18% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1902

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2011-1902

Affected software / configurations for CVE-2011-1902

Vendor Product Version Raw CPE
proofpoint messaging_security_gateway <= 6.2.0.263\:6.2.0.237 cpe:2.3:a:proofpoint:messaging_security_gateway:*:*:*:*:*:*:*:*
proofpoint protection_server 5.5.3 cpe:2.3:a:proofpoint:protection_server:5.5.3:*:*:*:*:*:*:*
proofpoint protection_server 5.5.4 cpe:2.3:a:proofpoint:protection_server:5.5.4:*:*:*:*:*:*:*
proofpoint protection_server 5.5.5 cpe:2.3:a:proofpoint:protection_server:5.5.5:*:*:*:*:*:*:*
proofpoint protection_server 6.0.2 cpe:2.3:a:proofpoint:protection_server:6.0.2:*:*:*:*:*:*:*
proofpoint protection_server 6.1.1 cpe:2.3:a:proofpoint:protection_server:6.1.1:*:*:*:*:*:*:*
proofpoint protection_server 6.2.0 cpe:2.3:a:proofpoint:protection_server:6.2.0:*:*:*:*:*:*:*

References for CVE-2011-1902

cvelogic Threat Intelligence