VDB-135311 · CVE-2019-12046 · ID 1742

LemonLDAP::NG 2.0.3 Access Control access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in LemonLDAP::NG 2.0.3. Affected by this vulnerability is an unknown functionality of the component Access Control. The manipulation leads to access control. This vulnerability is documented as CVE-2019-12046. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in LemonLDAP::NG 2.0.3 (Directory Service Software) and classified as critical. This issue affects an unknown functionality of the component Access Control. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

LemonLDAP::NG -2.0.3 has Incorrect Access Control.

The bug was discovered 05/13/2019. The weakness was released 05/22/2019 (Website). It is possible to read the advisory at projects.ow2.org. The identification of this vulnerability is CVE-2019-12046 since 05/13/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176931 (Debian Security Update for lemonldap-ng (DLA 1791-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Directory Service Software

Name

LemonLDAP::NG

Version

2.0.3

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/13/2019 🔍
05/13/2019 +0 days 🔍
05/22/2019 +9 days 🔍
05/22/2019 +0 days 🔍
05/28/2025 +2198 days 🔍

Sourcesinfo

Advisory: 1742
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-12046 (🔍)
GCVE (CVE): GCVE-0-2019-12046
GCVE (VulDB): GCVE-100-135311

Entryinfo

Created: 05/22/2019 21:50
Updated: 05/28/2025 21:09
Changes: 05/22/2019 21:50 (57), 06/14/2020 10:11 (2), 09/23/2023 13:07 (3), 05/28/2025 21:09 (15)
Complete: 🔍
Cache ID: 216::103