Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2011-1081

32
FAUCET Score

CVE-2011-1081 describes a denial-of-service vulnerability in OpenLDAP versions 2.4.x prior to 2.4.24. A remote attacker can crash the slapd daemon by sending a crafted relative Distinguished Name (DN) modification request (MODRDN operation) with an empty OldDN field. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with low attack complexity and no authentication required, leading to potential availability impact. While not listed in CISA's KEV catalog, exploit code is publicly available via ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
2.4.6CPE matchmatch criteria
cpe:2.3:a:openldap:openldap:2.4.6:*:*:*:*:*:*:*
2.4.7CPE matchmatch criteria
cpe:2.3:a:openldap:openldap:2.4.7:*:*:*:*:*:*:*
2.4.8CPE matchmatch criteria
cpe:2.3:a:openldap:openldap:2.4.8:*:*:*:*:*:*:*
2.4.9CPE matchmatch criteria
cpe:2.3:a:openldap:openldap:2.4.9:*:*:*:*:*:*:*
2.4.10CPE matchmatch criteria
cpe:2.3:a:openldap:openldap:2.4.10:*:*:*:*:*:*:*

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
13.52%
Probability of exploitation in next 30 days
EPSS Percentile
96.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-35445 · Jan 3, 2011
This CVE's current EPSS score of 0.1352 is in the 95th percentile among its peer group of 23,701 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

Patch Available

Vendor Patches (2)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: openldap-0:2.4.19-15.el6_0.2
View patch

Vendor Advisories (1)

redhatCVE-2011-1081Moderate

openldap: DoS when submitting special MODRDN request

Jan 3, 2011

References

kb.juniper.net / InfoCenter/index
openwall.com / lists/oss-security/2011/02/28/1
openwall.com / lists/oss-security/2011/02/28/2
Patch
openwall.com / lists/oss-security/2011/03/01/11
openwall.com / lists/oss-security/2011/03/01/15
bugzilla.novell.com / show_bug.cgi
bugzilla.redhat.com / show_bug.cgi
ExploitPatch
secunia.com / advisories/43331
Vendor Advisory
secunia.com / advisories/43718
security.gentoo.org / glsa/glsa-201406-36.xml
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/66239
mandriva.com / security/advisories
mandriva.com / security/advisories
openldap.org / devel/cvsweb.cgi/servers/slapd/modrdn.c.diff
Patch
openldap.org / its/index.cgi/Software%20Bugs
openldap.org / lists/openldap-announce/201102/msg00000.html
Patch
redhat.com / support/errata/RHSA-2011-0347.html
ubuntu.com / usn/USN-1100-1
vupen.com / english/advisories/2011/0665
Vendor Advisory