5.3

CVE-2023-33201: bouncycastle bc-java Improper Certificate Validation

Modified
AliasesSUSE-SU-2023:2843-1UBUNTU-CVE-2023-33201DEBIAN-CVE-2023-33201
Published 05-07-2023Last modified 04-12-2024

Vulnerability summary

CVE-2023-33201 is a medium (CVSS 5.3) Improper Certificate Validation vulnerability in bouncycastle bc-java. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 55.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.77%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6
RHSA-2023:5484RHSA-2023:5485RHSA-2023:5486RHSA-2023:7482RHSA-2023:7483RHSA-2023:7484

Timeline

  1. 05-07-2023
    PublishedVulnerability first disclosed.
  2. 04-12-2024
    Last modifiedVulnerability information updated.

Description

Bouncy Castle For Java before 1.74 is affected by an LDAP injection vulnerability. The vulnerability only affects applications that use an LDAP CertStore from Bouncy Castle to validate X.509 certificates. During the certificate validation process, Bouncy Castle inserts the certificate's Subject Name into an LDAP search filter without any escaping, which leads to an LDAP injection vulnerability.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.77%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.77% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard125 products
  • druid< 37.0.0-r8
  • eco-java-gradle-2.10All versions (No fix recorded)
  • eco-java-gradle-2.11All versions (No fix recorded)
  • eco-java-gradle-2.12All versions (No fix recorded)
  • eco-java-gradle-2.13All versions (No fix recorded)
Org.bouncycastle12 products
  • bcprov-debug-jdk14≥ 1.49, < 1.74
  • bcprov-debug-jdk15on≥ 1.49, ≤ 1.70
  • bcprov-debug-jdk15to18< 1.74
  • bcprov-debug-jdk18on< 1.74
  • bcprov-ext-jdk14≥ 1.49, < 1.74
Suse12 products
  • bouncycastle&distro=SUSE Enterprise Storage 7< 1.74-150200.3.21.1
  • bouncycastle&distro=SUSE Enterprise Storage 7.1< 1.74-150200.3.21.1
  • bouncycastle&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS< 1.74-150200.3.21.1
  • bouncycastle&distro=SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS< 1.74-150200.3.21.1
  • bouncycastle&distro=SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS< 1.74-150200.3.21.1
Wolfi4 products
  • druid< 37.0.0-r8
  • gradle-8< 8.7.0-r1
  • gradle-stage0All versions (No fix recorded)
  • tez< 0.10.4-r6
Opensuse3 products
  • bouncycastle&distro=openSUSE Leap 15.4< 1.74-150200.3.21.1
  • bouncycastle&distro=openSUSE Leap 15.5< 1.74-150200.3.21.1
  • bouncycastle&distro=openSUSE Tumbleweed< 1.74-1.1
Bouncycastle1 product
Debian1 product
  • bouncycastle< 1.60-1+deb10u1 | All versions (No fix recorded) | < 1.77-1
Ubuntu1 product
  • bouncycastle< 1.51-4ubuntu1+esm1 | < 1.59-1ubuntu0.1~esm1 | < 1.61-1ubuntu0.1~esm1 | < 1.68-5ubuntu0.1~esm1

8 vendors · 159 products

References

18 links
Show all 18 references