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."
Published: 2017-12-13
Score: 7.5 High
EPSS: 66.2% High
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-4072-1 bouncycastle security update
Github GHSA Github GHSA GHSA-wrwf-pmmj-w989 Observable Discrepancy in BouncyCastle
History

Mon, 12 May 2025 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Bouncycastle bc-java
CPEs cpe:2.3:a:bouncycastle:legion-of-the-bouncy-castle-java-crytography-api:*:*:*:*:*:*:*:* cpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
Vendors & Products Bouncycastle legion-of-the-bouncy-castle-java-crytography-api
Bouncycastle bc-java

Subscriptions

Bouncycastle Bc-java
cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published:

Updated: 2024-09-16T18:39:22.646Z

Reserved: 2017-08-22T00:00:00.000Z

Link: CVE-2017-13098

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2017-12-13T01:29:00.280

Modified: 2026-05-13T00:24:29.033

Link: CVE-2017-13098

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-12-12T00:00:00Z

Links: CVE-2017-13098 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses