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CVE-2023-33202

Bouncy Castle for Java before 1.73 contains a potential Denial of Service (DoS) issue within the Bouncy Castle org.bouncycastle.openssl.PEMParser class. This class parses OpenSSL PEM encoded stream...

Published: Nov 23, 2023Updated: Aug 18, 2025 Sources: CVE List NVD GHSA BDUCWE-400
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.9%
Top 44.0%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

Description

Bouncy Castle Denial of Service (DoS)

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-400

Affected Products

org.bouncycastle:bcprov-ext-jdk16MavenOSS Libraries
org.bouncycastle:bcprov-jdk14MavenOSS Libraries
org.bouncycastle:bcprov-jdk15MavenOSS Libraries
org.bouncycastle:bcprov-jdk15to18MavenOSS Libraries
org.bouncycastle:bcprov-jdk16MavenOSS Libraries
mavenpackage-ecosystemOSS Libraries
and 9 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2023-33202
nvd.nist.gov
https://github.com/bcgit/bc-java/commit/0c576892862ed41894f49a8f639112e8d66d229c
github.com
https://bouncycastle.org
bouncycastle.org
and 9 more references View all →

Timeline

Published
Nov 23, 2023
Last Updated
Aug 18, 2025

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