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Vulnerability record · CVE-2011-1081 · published 20 March 2011

CVE-2011-1081: Openldap vulnerability

Openldap · Openldap

modrdn.c in slapd in OpenLDAP 2.4.x before 2.4.24 allows remote attackers to cause a denial of service (daemon crash) via a relative Distinguished Name (DN) modification request (aka MODRDN operation) that contains an empty value for the OldDN field.

5.0 CVSS 2.0 Medium EPSS 14% · top 3.5% CWE-399 · CWE-399
5.0CVSS 2.0 base score
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
40References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

modrdn.c in slapd in OpenLDAP 2.4.x before 2.4.24 allows remote attackers to cause a denial of service (daemon crash) via a relative Distinguished Name (DN) modification request (aka MODRDN operation) that contains an empty value for the OldDN field.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
http://openwall.com/lists/oss-security/2011/02/28/1
http://openwall.com/lists/oss-security/2011/02/28/2 Patch
http://openwall.com/lists/oss-security/2011/03/01/11
http://openwall.com/lists/oss-security/2011/03/01/15
http://secunia.com/advisories/43331 Vendor Advisory
http://secunia.com/advisories/43718
http://security.gentoo.org/glsa/glsa-201406-36.xml
http://securitytracker.com/id?1025191
http://www.mandriva.com/security/advisories?name=MDVSA-2011:055
http://www.mandriva.com/security/advisories?name=MDVSA-2011:056
http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/modrdn.c.diff?r1=1.170.2.8&r2=1.170.2.9 Patch
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6768
http://www.openldap.org/lists/openldap-announce/201102/msg00000.html Patch
http://www.redhat.com/support/errata/RHSA-2011-0347.html
http://www.ubuntu.com/usn/USN-1100-1
http://www.vupen.com/english/advisories/2011/0665 Vendor Advisory
https://bugzilla.novell.com/show_bug.cgi?id=674985
https://bugzilla.redhat.com/show_bug.cgi?id=680975 ExploitPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/66239
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
http://openwall.com/lists/oss-security/2011/02/28/1
http://openwall.com/lists/oss-security/2011/02/28/2 Patch
http://openwall.com/lists/oss-security/2011/03/01/11
http://openwall.com/lists/oss-security/2011/03/01/15
http://secunia.com/advisories/43331 Vendor Advisory
http://secunia.com/advisories/43718
http://security.gentoo.org/glsa/glsa-201406-36.xml
http://securitytracker.com/id?1025191
http://www.mandriva.com/security/advisories?name=MDVSA-2011:055
http://www.mandriva.com/security/advisories?name=MDVSA-2011:056
http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/modrdn.c.diff?r1=1.170.2.8&r2=1.170.2.9 Patch
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6768
http://www.openldap.org/lists/openldap-announce/201102/msg00000.html Patch
http://www.redhat.com/support/errata/RHSA-2011-0347.html
http://www.ubuntu.com/usn/USN-1100-1
http://www.vupen.com/english/advisories/2011/0665 Vendor Advisory
https://bugzilla.novell.com/show_bug.cgi?id=674985
https://bugzilla.redhat.com/show_bug.cgi?id=680975 ExploitPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/66239

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Source: NIST National Vulnerability Database (record CVE-2011-1081), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.