Rapid7’s 2026 Global Cybersecurity Summit is now available on-demand.Watch sessions.
Rapid7

vulnerability

FreeBSD: VID-6a131fbf-ec76-11e7-aa65-001b216d295b (CVE-2017-13098): The Bouncy Castle Crypto APIs: CVE-2017-13098 ("ROBOT")

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Dec 29, 2017
Added
Dec 31, 2017
Modified
Jun 15, 2026

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."

Solutions

freebsd-upgrade-package-bouncycastlefreebsd-upgrade-package-bouncycastle15
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.