MEDIUM
CVE-2011-1902
CWE-22Published: May 5, 2011· Updated: Jun 16, 2026
5.0
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2011-1902 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityNone
AvailabilityNone
AV:N/AC:L/Au:N/C:P/I:N/A:N
Affected Vendors & Products
proofpoint2 product(s)
messaging security gatewayprotection server
Source: NVD CPE · 7 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
All References (6)
→
http://www.kb.cert.org/vuls/id/790980US Government Resource
→
http://www.kb.cert.org/vuls/id/790980US Government Resource
Quick Facts
CVE IDCVE-2011-1902
CVSS Score5.0 / 10
SeverityMEDIUM
WeaknessCWE-22
CISA KEVNo
Affected1 vendor(s)
PublishedMay 5, 2011
Related CVEs (CWE-22)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-1902 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.