CVE catalog

CVE-2020-9488

apache-log4j2: CVE-2020-9488

[CVE catalog]

Severity
Low · CVSS 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Published
Source
[NVD] · [CVE record]
EPSS
8.22% · Oct 25, 2026

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

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianapache-log4j2sid2.26.1-1fixed
Debianapache-log4j2forky2.19.0-2fixed
Debianapache-log4j2trixie2.19.0-2fixed
Debianapache-log4j2bookworm2.19.0-2fixed
Ubuntuapache-log4j2pro2.2-1vulnerable
Ubuntuapache-log4j2pro2.4-1vulnerable
Ubuntuapache-log4j2pro2.4-2vulnerable
Ubuntuapache-log4j2pro2.4-2ubuntu0.1~esm1vulnerable
Ubuntuapache-log4j218.042.8.2-1vulnerable
Ubuntuapache-log4j218.042.8.2-2vulnerable
Ubuntuapache-log4j218.042.10.0-1vulnerable
Ubuntuapache-log4j218.042.10.0-2vulnerable
Ubuntuapache-log4j218.042.10.0-2ubuntu0.1vulnerable
Ubuntuapache-log4j218.042.12.4-0ubuntu0.1vulnerable
Ubuntuapache-log4j220.042.11.1-2vulnerable
Ubuntuapache-log4j220.042.11.2-1vulnerable
Ubuntuapache-log4j220.042.15.0-0.20.04.1vulnerable
Ubuntuapache-log4j220.042.16.0-0.20.04.1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianapache-log4j2sourcesid2.13.3-1not yet assignedNot reported[959450]
Debianapache-log4j2sourceforky2.13.3-1not yet assignedNot reported[959450]
Debianapache-log4j2sourcetrixie2.13.3-1not yet assignedNot reported[959450]
Debianapache-log4j2sourcebookworm2.13.3-1not yet assignedNot reported[959450]
Ubuntuapache-log4j2deb20.042.16.0-0.20.04.1Not reportedUBUNTU-CVE-2020-9488Not reported

[Debian bug #959450]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • Source package: [apache-log4j2]

    Details (2)
    • 2.19.0-2 · all · bookworm

      Fixed · Fixed: 2.13.3-1

      dsa · apache-log4j2 · debian · bookworm; dsa · apache-log4j2 · debian · 12

    • 2.19.0-2 · all · bookworm

      Fixed · Fixed: 2.13.3-1

      dsa · apache-log4j2 · debian · bookworm; dsa · apache-log4j2 · debian · 12

[Debian 13 (Trixie)]

  • Source package: [apache-log4j2]

    Details (2)
    • 2.19.0-2 · all · trixie

      Fixed · Fixed: 2.13.3-1

      dsa · apache-log4j2 · debian · 13

    • 2.19.0-2 · all · trixie

      Fixed · Fixed: 2.13.3-1

      dsa · apache-log4j2 · debian · 13

Observed:

References