Oracle WebLogic Server Unspecified Vulnerability (CVE-2023-21839)
Severity: high · Patch status: patched · Since 2023-05-01 · CVE-2023-21839
Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server. CISA added CVE-2023-21839 to its Known Exploited Vulnerabilities catalog on May 1, 2023, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by May 22, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch