CVE-2011-1903
CVE-2011-1903 is a high-severity vulnerability in Proofpoint Messaging Security Gateway with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Proofpoint Messaging Security Gateway
- Published:
- Last modified:
Description
SQL injection vulnerability in an unspecified function 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 execute arbitrary SQL commands via unknown vectors.
Frequently asked questions
- What is CVE-2011-1903?
- SQL injection vulnerability in an unspecified function 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 execute arbitrary SQL commands via unknown vectors.
- How severe is CVE-2011-1903?
- CVE-2011-1903 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2011-1903 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-1903?
- CVE-2011-1903 primarily affects Proofpoint Messaging Security Gateway. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-1903?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2011-1903 published?
- CVE-2011-1903 was published on 2011-05-05 and last updated on 2026-06-16.
References
- http://www.clearskies.net/documents/css-advisory-css1105-proofpoint.php
- http://www.kb.cert.org/vuls/id/790980
- https://support.proofpoint.com/article.cgi?article_id=338413
Affected products (7)
- cpe:2.3:a:proofpoint:messaging_security_gateway:*:*:*:*:*:*:*:*
- cpe:2.3:a:proofpoint:protection_server:5.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:proofpoint:protection_server:5.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:proofpoint:protection_server:5.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:proofpoint:protection_server:6.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:proofpoint:protection_server:6.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:proofpoint:protection_server:6.2.0:*:*:*:*:*:*:*
More vulnerabilities in Proofpoint Messaging Security Gateway
- CVE-2011-1904 — High (CVSS 7.5): An unspecified function in the web interface in Proofpoint Messaging Security Gateway 6.2.0.263:6.2.0.237 and earlier…
- CVE-2011-1901 — High (CVSS 7.5): The mail-filter web interface in Proofpoint Messaging Security Gateway 6.2.0.263:6.2.0.237 and earlier in Proofpoint…
- CVE-2011-1905 — Medium (CVSS 6.8): Multiple cross-site request forgery (CSRF) vulnerabilities in unspecified administrative modules in Proofpoint…
- CVE-2011-1902 — Medium (CVSS 5.0): Directory traversal vulnerability in the web interface in Proofpoint Messaging Security Gateway 6.2.0.263:6.2.0.237 and…
All CVEs affecting Proofpoint Messaging Security Gateway →
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