Vulnerability in Openldap
CVE-2020-25710
A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23(). The highest threat from this vulnerability is to system availability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: +0.001
Affected products
- Openldap
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 33
- Red Hat Enterprise Linux — versions 5.0, 6.0, 7.0
- Red Hat Jboss Core Services
- Red Hat Jboss Enterprise Application Platform — versions 5.0.0
- Red Hat Jboss Enterprise Web Server — versions 2.0.0
- Openldap — versions openldap 2.4.56
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.debian.org/security/2020/dsa-4792 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/12/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- git.openldap.org/openldap/openldap/-/commit/ab3915154e69920d480205b4bf5ccb2b391… (Patch, Vendor Advisory)
- lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a4508… (mailing-list)
- lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698… (mailing-list)
- security.netapp.com/advisory/ntap-20210716-0003/ (Third Party Advisory)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2020-25710?
- CVE-2020-25710 is a high-severity vulnerability in Openldap, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2021-05-28.
- How severe is CVE-2020-25710?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-25710 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.