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
Metrics
Affected Vendors & Products
References
History
Fri, 29 May 2026 16:30:00 +0000
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Wed, 16 Jul 2025 13:45:00 +0000
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Mon, 14 Jul 2025 13:45:00 +0000
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Sun, 13 Jul 2025 13:45:00 +0000
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Status: PUBLISHED
Assigner: apache
Published: 2020-04-27T15:36:10.000Z
Updated: 2026-05-29T16:07:52.931Z
Reserved: 2020-03-01T00:00:00.000Z
Link: CVE-2020-9488
Updated: 2024-08-04T10:26:16.370Z
Status : Modified
Published: 2020-04-27T16:15:12.897
Modified: 2026-05-29T18:16:27.647
Link: CVE-2020-9488