Is CVE-2011-0946 being actively exploited?

CVE-2011-0946 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-0946?

CVE-2011-0946 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2011-0946

HIGH · CVSS 7.8EPSS 1.8%EU EUVD

The NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (device reload or hang) via malformed NetMeeting Directory (aka Internet Locator Service or ILS) LDAP traffic, aka Bug ID CSCtd10712.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS score: 1.8% (78th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-0958)
Published: October 3, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-0958 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

cisco / ios
cisco / ios xe
cisco / ios xe

References

http://tools.cisco.com/security/center/viewAlert.x?alertId=24117(Vendor Advisory)
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d4d.shtml(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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