VulnerabilityModified
CVE-2011-0438
nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication.
MEDIUM 6.8EPSS 1.53%
Does this matter?
Lower severity and a low EPSS score (1.53%). Track it; it rarely justifies an emergency change on its own.
Description
nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 1.53% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- arthurdejong/nss-pam-ldapd
- Source
- cve@mitre.org
EPSS 1.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://arthurdejong.org/nss-pam-ldapd/news.html#20110309
- http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txtPatch
- http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.htmlPatch, Vendor Advisory
- http://securityreason.com/securityalert/8132
- http://www.securityfocus.com/bid/46819Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66028
- http://arthurdejong.org/nss-pam-ldapd/news.html#20110309
- http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txtPatch
- http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.htmlPatch, Vendor Advisory
- http://securityreason.com/securityalert/8132
- http://www.securityfocus.com/bid/46819Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66028
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.