CVE-2011-0946

FAUCET Score

CVE-2011-0946 describes a denial-of-service vulnerability in the NAT implementation of Cisco IOS and IOS XE. Malformed NetMeeting Directory (ILS) LDAP traffic can cause affected devices to reload or hang. With a CVSS score of 7.8, this vulnerability is considered high severity, as it can be exploited remotely with low attack complexity, leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		3.1.0sgCPE matchmatch criteria	cpe:2.3:o:cisco:ios_xe:3.1.0sg:::::::*
		3.1.1sgCPE matchmatch criteria	cpe:2.3:o:cisco:ios_xe:3.1.1sg:::::::*
		>= 12.1, <= 12.4CPE matchmatch criteria	cpe:2.3:o:cisco:ios::::::::
		>= 15.0, <= 15.1CPE matchmatch criteria	cpe:2.3:o:cisco:ios::::::::

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Exploitability Score

10.0

Impact Score

6.9

CvssVersion

2.0

Exploit Intelligence

EPSS Score

1.79%

Probability of exploitation in next 30 days

EPSS Percentile

76.0%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0179 is in the 59th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference

View patch

References

tools.cisco.com / security/center/viewAlert.x

Vendor Advisory

cisco.com / en/US/products/products_security_advisory09186a0080b95d4d.shtml

Vendor Advisory