CVE-2011-2165

N/A Unknown
Published: May 23, 2011 Modified: April 29, 2026
View on NVD

Description

The STARTTLS implementation in WatchGuard XCS 9.0 and 9.1 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://secunia.com/advisories/44753
Source: cve@mitre.org
http://www.kb.cert.org/vuls/id/555316
Source: cve@mitre.org
US Government Resource
http://www.kb.cert.org/vuls/id/MAPG-8D9M75
Source: cve@mitre.org
US Government Resource
http://www.watchguard.com/support/release-notes/xcs/9/en-US/EN_ReleaseNotes_XCS_9_1_1/EN_ReleaseNotes_WG_XCS_9_1_TLS_Hotfix.pdf
Source: cve@mitre.org
https://exchange.xforce.ibmcloud.com/vulnerabilities/67729
Source: cve@mitre.org
http://secunia.com/advisories/44753
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.kb.cert.org/vuls/id/555316
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
http://www.kb.cert.org/vuls/id/MAPG-8D9M75
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
http://www.watchguard.com/support/release-notes/xcs/9/en-US/EN_ReleaseNotes_XCS_9_1_1/EN_ReleaseNotes_WG_XCS_9_1_TLS_Hotfix.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/67729
Source: af854a3a-2127-422b-91ae-364da2661108

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
5.2%
91th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-264

Affected Vendors

watchguard

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