01 Record
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.
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.52% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 74.1% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-03-15 17:00Z15 YR AGO
- Last updated
- 2024-08-06 21:51Z2 YR AGO
- Reserved
- 2011-01-12
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-287Improper AuthenticationClass
- Data version
- 5.1
- Document digest
- 534dcebee53291942df52f79fbcd5a7818c441b8f3967a93f98120f98d63518a
05 Affected products
VendorProductVersionsPlatforms
06 References
- securityreason.com8132http://securityreason.com/securityalert/8132
- www.securityfocus.com46819http://www.securityfocus.com/bid/46819
- exchange.xforce.ibmcloud.comnsspamldapd-pam-sec-bypass(66028)https://exchange.xforce.ibmcloud.com/vulnerabilities/66028
- lists.arthurdejong.orghttp://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt
- lists.arthurdejong.org[nss-pam-ldapd-announce] 20110309 nss-pam-ldapd security advisory (CVE-2011-0438)http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.html
- arthurdejong.orghttp://arthurdejong.org/nss-pam-ldapd/news.html#20110309