Vulnerability Monitor

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CVE-2020-8086

The mod_auth_ldap and mod_auth_ldap2 Community Modules through 2020-01-27 for Prosody incompletely verify the XMPP address passed to the is_admin() function. This grants remote entities admin-only functionality if their username matches the username of a local admin.

Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 3 products from prosody, from prosody, from debian organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-01-28T17:15:12.460

Last Modified

2024-11-21T05:38:16.343

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-863

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	prosody	mod_auth_ldap	≤ 2020-01-27	Yes
Application	prosody	mod_auth_ldap2	≤ 2020-01-27	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://hg.prosody.im/prosody-modules/log/tip/mod_auth_ldap/mod_auth_ldap.lua Third Party Advisory ([email protected])
https://hg.prosody.im/prosody-modules/log/tip/mod_auth_ldap2/mod_auth_ldap2.lua Third Party Advisory ([email protected])
https://prosody.im/security/advisory_20200128/ Vendor Advisory ([email protected])
https://seclists.org/bugtraq/2020/Feb/5 Mailing List, Third Party Advisory ([email protected])
https://www.debian.org/security/2020/dsa-4612 Third Party Advisory ([email protected])
https://hg.prosody.im/prosody-modules/log/tip/mod_auth_ldap/mod_auth_ldap.lua Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hg.prosody.im/prosody-modules/log/tip/mod_auth_ldap2/mod_auth_ldap2.lua Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://prosody.im/security/advisory_20200128/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2020/Feb/5 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2020/dsa-4612 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For prosody's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.