CVE-2019-13031

LemonLDAP::NG before 1.9.20 has an XML External Entity (XXE) issue when submitting a notification...

8.1 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.36%Up 1.5 points since Apr 14, 2021

What each source reports

NVD Score used 8.1

Record: CVE-2019-13031
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-611
Updated: 2026-11-02

CVE List No score

Record: CVE-2019-13031
Updated: 2026-11-02

EUVDEUVD-2019-4599 No score

Record: EUVD-2019-4599
Updated: 2026-11-03

GitHub AdvisoriesGHSA-wxgq-mv23-pgqr 8.1

LemonLDAP::NG before 1.9.20 has an XML External Entity (XXE) issue when submitting a notification...

Record: GHSA-wxgq-mv23-pgqr
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-611
Updated: 2026-11-02

OSV 8.1

Record: CVE-2019-13031
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2019-13031 8.1

Record: DEBIAN-CVE-2019-13031
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-13031 8.1

Record: UBUNTU-CVE-2019-13031
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`lemonldap-ng` Debian:12	before 2.0.0+ds-1	2.0.0+ds-1
`lemonldap-ng` Debian:13	before 2.0.0+ds-1	2.0.0+ds-1
`lemonldap-ng` Debian:14	before 2.0.0+ds-1	2.0.0+ds-1
`lemonldap-ng` Debian:8	before 1.3.3-1+deb8u2, plus listed versions 1.3.3-11.3.3-1+deb8u1	1.3.3-1+deb8u2
`lemonldap-ng` Ubuntu:16.04:LTS	All versions, plus listed versions 1.3.3-11.4.6-11.4.6-21.4.6-3	None known
`lemonldap-ng` Ubuntu:18.04:LTS	All versions, plus listed versions 1.9.10-11.9.13-21.9.14-11.9.15-11.9.16-2	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-13031 is a high vulnerability (CVSS 8.1) in Debian Linux, published June 28, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.36%, the 83rd percentile. Fixed in lemonldap-ng 2.0.0+ds-1.