CVE-2007-6721

highpriority · track · 41EPSS 0.024 · 84 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.41% (84th) EPSS

CVSS 10 · high

Is it mine?

76 products

Check your exposure

Who says so?

3 sources

enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v2.08.5highAV:N/AC:L/Au:N/C:C/I:C/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-203US

affected products (76)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
bouncycastle bc-java≤ 1.37nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.01nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.02nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.03nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.04nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.05nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.06nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.07nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.08nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.09nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.10nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.11nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.12nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.13nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.14nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.15nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.16nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.17nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*
bouncycastle bc-java= 1.18nvdUScpe:2.3:a:bouncycastle:bc-java:*:*:*:*:*:*:*:*

showing 20 of 76

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-m26p-m559-g5j5Legion of the Bouncy Castle Java Cryptography API Bleichenbacher Oracle Vulnerability2022-05-01ghsa · osvUS
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."

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd osv NVD CVE.org MITRE

published 2009-03-30modified 2026-06-16

references (14)

External citations — patches, advisories, analysis.

scry

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