VULNERABILITY INTELLIGENCE

CVE-2017-13098

CVSS score7.5 HIGH
EPSS probability24.28%
CISA KEVNot currently listed
Published2017-12-13
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

BouncyCastle TLS prior to version 1.0.3, when configured to use the JCE (Java Cryptography Extension) for cryptographic functions, provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a vulnerable application. This vulnerability is referred to as "ROBOT."

Weakness classification

  • CWE-203: Observable Discrepancy

Primary references