10

CVE-2007-6721: bouncycastle bc-java

CVSS: 10.0v2.0HighModified
AliasesDEBIAN-CVE-2007-6721GHSA-m26p-m559-g5j5
Published 30-03-2009Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2007-6721 is a high (CVSS 10.0) vulnerability in bouncycastle bc-java. EPSS estimates a 2.41% chance of exploitation in the next 30 days, higher than 83.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
2.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-03-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.41%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.41% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Bouncycastle5 products
  • bc-java≤ 1.37 | 1.01 | 1.02 | 1.03 | 1.04 | 1.05 | 1.06 | 1.07 | 1.08 | 1.09 | 1.10 | 1.11 | 1.12 | 1.13 | 1.14 | 1.15 | 1.16 | 1.17 | 1.18 | 1.19 | 1.20 | 1.21 | 1.22 | 1.23 | 1.24 | 1.25 | 1.26 | 1.27 | 1.28 | 1.29 | 1.30 | 1.31 | 1.32 | 1.33 | 1.34 | 1.35 | 1.36
  • bouncy-castle-crypto-package≤ 1.35 | 1.0 | 1.01 | 1.02 | 1.03 | 1.3.1 | 1.04 | 1.05 | 1.06 | 1.07 | 1.08 | 1.09 | 1.11 | 1.12 | 1.13 | 1.14 | 1.15 | 1.16 | 1.17 | 1.18 | 1.19 | 1.20 | 1.21 | 1.22 | 1.23 | 1.24 | 1.25 | 1.26 | 1.27 | 1.28 | 1.29 | 1.30 | 1.32 | 1.33 | 1.34
  • bcprov-jdk14< 1.38
  • bcprov-jdk15< 1.38
  • bcprov-jdk16< 1.38
Debian1 product
  • bouncycastle< 1.38-1

2 vendors · 6 products

References

12 links
Show all 12 references