Vulnerability in Lemonldap-Ng Lemonldap\
CVE-2020-16093
In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of the Net::LDAPS module for Perl is used.
Vulnerability class: Improper Certificate Validation
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:H/A:N.
EPSS exploit prediction
EPSS: 0.008 (53.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.001
Affected products
- Lemonldap-Ng Lemonldap\ — versions \
- Lemonldap-Ng Lemonldap\:\:ng
- Debian Linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lemonldap-ng.org/download (Vendor Advisory)
- gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2250 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2023/01/msg00027.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-16093?
- CVE-2020-16093 is a high-severity vulnerability in Lemonldap-Ng Lemonldap\, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2022-07-18.
- How severe is CVE-2020-16093?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-16093 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.