VULNERABILITY INTELLIGENCE
CVE-2021-42550
CVSS score6.6 MEDIUM
EPSS probability4.77%
CISA KEVNot currently listed
Published2021-12-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Description
In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files could craft a malicious configuration allowing to execute arbitrary code loaded from LDAP servers.
Weakness classification
- vulnerability@ncsc.ch: CWE-502
- nvd@nist.gov: CWE-502
Primary references
- vulnerability@ncsc.ch — Vendor Advisory
- vulnerability@ncsc.ch — Exploit, Third Party Advisory, VDB Entry
- vulnerability@ncsc.ch — Mailing List, Third Party Advisory
- vulnerability@ncsc.ch — Third Party Advisory
- vulnerability@ncsc.ch — Exploit, Third Party Advisory
- vulnerability@ncsc.ch — Exploit, Issue Tracking, Patch, Third Party Advisory
- vulnerability@ncsc.ch — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory