Vulnerability in Watchguard Xcs
CVE-2011-2165
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.052 (92.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.052 · newest: 0.052 · change: 0.000
Affected products
- Watchguard Xcs — versions 9.0, 9.1
Weakness classification (CWE)
References
- exchange.xforce.ibmcloud.com/vulnerabilities/67729 (vdb-entry)
- secunia.com/advisories/44753 (third-party-advisory)
- www.kb.cert.org/vuls/id/MAPG-8D9M75 (US Government Resource)
- www.watchguard.com/support/release-notes/xcs/9/en-US/EN_ReleaseNotes_XCS_9_1_1/…
- www.kb.cert.org/vuls/id/555316 (US Government Resource, third-party-advisory)