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CVE-2011-1025

25
FAUCET Score

CVE-2011-1025 describes an authentication bypass vulnerability in OpenLDAP 2.4.x before 2.4.24, specifically within the bind.cpp file of the back-ndb component. This flaw allows remote attackers to bypass intended access restrictions by authenticating as the root Distinguished Name (DN) with an arbitrary password, effectively gaining unauthorized access. The vulnerability has a CVSS score of 6.8, indicating a medium severity with a network-based attack vector, medium attack complexity, and potential for partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

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

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.45%
Probability of exploitation in next 30 days
EPSS Percentile
90.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0445 is in the 88th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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-2011-1025Moderate

openldap: rootpw not verified via slapd.conf when using the NDB backend

Sep 29, 2010

References

kb.juniper.net / InfoCenter/index
openwall.com / lists/oss-security/2011/02/24/12
openwall.com / lists/oss-security/2011/02/25/13
bugzilla.redhat.com / show_bug.cgi
Patch
secunia.com / advisories/43331
Vendor Advisory
secunia.com / advisories/43718
security.gentoo.org / glsa/glsa-201406-36.xml
securitytracker.com / id
mandriva.com / security/advisories
openldap.org / devel/cvsweb.cgi/servers/slapd/back-ndb/bind.cpp.diff
Patch
openldap.org / its/index.cgi/Software%20Bugs
openldap.org / lists/openldap-announce/201102/msg00000.html
redhat.com / support/errata/RHSA-2011-0347.html
ubuntu.com / usn/USN-1100-1
vupen.com / english/advisories/2011/0665
Vendor Advisory