CVE-2021-35472
HIGHCVSS 8.8/10EPSS 1.68%
Last modified
CVE-2021-35472 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in LemonLDAP::NG before 2.0.12. Session cache corruption can lead to authorization bypass or spoofing. EPSS estimates a 1.68% chance of exploitation in the next 30 days.
Description
An issue was discovered in LemonLDAP::NG before 2.0.12. Session cache corruption can lead to authorization bypass or spoofing. By running a loop that makes many authentication attempts, an attacker might alternately be authenticated as one of two different users.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Lemonldap-Ng | Lemonldap\ | <= 2.0.11 | Ng |
| Debian | Debian Linux | 10.0 | — |
References
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/8d3b763b6af2b8a9c4ad2765fbfabffec8a73af5Patch, Third Party Advisory
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2539Exploit, Patch, Third Party Advisory
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tagsPatch, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4943Third Party Advisory
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/8d3b763b6af2b8a9c4ad2765fbfabffec8a73af5Patch, Third Party Advisory
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2539Exploit, Patch, Third Party Advisory
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tagsPatch, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4943Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-35472?
An issue was discovered in LemonLDAP::NG before 2.0.12. Session cache corruption can lead to authorization bypass or spoofing. By running a loop that makes many authentication attempts, an attacker might alternately be authenticated as one of two different users.
How severe is CVE-2021-35472?
CVE-2021-35472 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.
How do I fix CVE-2021-35472?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-35472?
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Scan your code nowSource: NVD / NIST