CVE-2019-13031
LemonLDAP::NG before 1.9.20 has an XML External Entity (XXE) issue when submitting a notification to the notification server.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
LemonLDAP::NG before 1.9.20 has an XML External Entity (XXE) issue when submitting a notification to the notification server. By default, the notification server is not enabled and has a "deny all" rule.
- CVSS 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.36% probability · 84th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-611
- Affected
- lemonldap-ng/lemonldap\ · debian/debian linux
- Source
- cve@mitre.org
EPSS 2.4% since 27 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
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues/1820Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/07/msg00003.htmlThird Party Advisory
- https://www.calypt.com/blog/index.php/cve-2019-13031-xxe-on-lemonldapng-2-0-5/
- https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/issues/1820Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/07/msg00003.htmlThird Party Advisory
- https://www.calypt.com/blog/index.php/cve-2019-13031-xxe-on-lemonldapng-2-0-5/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.