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CVE-2011-1786

20
FAUCET Score

CVE-2011-1786 describes a denial-of-service vulnerability affecting lsassd in specific builds of Likewise Open/Enterprise, as distributed in VMware ESXi and ESX. An unauthenticated remote attacker can crash the lsassd daemon by attempting an Active Directory login with a username containing an invalid byte sequence. This vulnerability has a CVSS score of 5.0 (Medium) due to its network attack vector and low attack complexity, leading to a partial availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.3CPE matchmatch criteria
cpe:2.3:a:likewise:likewise_open:5.3:*:enterprise:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:likewise:likewise_open:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:likewise:likewise_open:6.0:*:enterprise:*:*:*:*:*
4.1CPE matchmatch criteria
cpe:2.3:a:vmware:esx:4.1:*:*:*:*:*:*:*
4.1CPE matchmatch criteria
cpe:2.3:a:vmware:esxi:4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.01%
Probability of exploitation in next 30 days
EPSS Percentile
86.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0301 is in the 80th percentile among its peer group of 23,684 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (1)

vmwarevendor investigatingvia nvd_reference
View patch

References

kb.vmware.com / kb/1035108
lists.vmware.com / pipermail/security-announce/2011/000133.html
secunia.com / advisories/44349
Vendor Advisory
securityreason.com / securityalert/8240
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/67194
likewise.com / community/index.php/forums/viewannounce/1104_27
securityfocus.com / archive/1/517739/100/0/threaded
securityfocus.com / bid/47625
vmware.com / security/advisories/VMSA-2011-0007.html
Vendor Advisory