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Search Parameters:
  • Results Type: Overview
  • Keyword (text search): cpe:2.3:a:apache:log4j:2.0:*:*:*:*:*:*:*
  • CPE Name Search: true
There are 3 matching records.
Displaying matches 1 through 3.
Vuln ID Summary CVSS Severity
CVE-2021-45105

Apache Log4j2 versions 2.0-alpha1 through 2.16.0 (excluding 2.12.3 and 2.3.1) did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is interpreted. This issue was fixed in Log4j 2.17.0, 2.12.3, and 2.3.1.

Published: December 18, 2021; 7:15:07 AM -0500
V3.1: 5.9 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-9488

Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender. Fixed in Apache Log4j 2.12.3 and 2.13.1

Published: April 27, 2020; 12:15:12 PM -0400
V3.1: 3.7 LOW
V2.0: 4.3 MEDIUM
CVE-2017-5645

In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code.

Published: April 17, 2017; 5:59:00 PM -0400
V3.1: 9.8 CRITICAL
V2.0: 7.5 HIGH