HIGH
bouncycastle: unknown vulnerability in simple RSA CMS signatures
Published Mar 30, 2009
10.0
HIGHCVSS 2.0
EPSS 2.41%
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."
Affected products
No data.
AND
OR
- ≤ 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
OR
- ≤ 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
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.41% 0.02413
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02413
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.41% (0.02413) | 83.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.48% (0.02480) | 82.44th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.79% (0.00789) | 71.63th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.86% (0.01863) | 72.03th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.79% (0.00794) | 72.29th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.62% (0.00617) | 79.50th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.62% (0.00617) | 78.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.62% (0.00620) | 75.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
Weaknesses (1)
References (14)
- http://freshmeat.net/projects/bouncycastlecryptoapi/releases/265580 x_refsource_CONFIRM
- http://www.bouncycastle.org/csharp/ x_refsource_CONFIRMPatchVendor Advisory
- http://www.bouncycastle.org/devmailarchive/msg08195.html mailing-listx_refsource_MLISTPatchVendor Advisory
- http://www.bouncycastle.org/releasenotes.html x_refsource_CONFIRM
- http://www.osvdb.org/50358 vdb-entryx_refsource_OSVDB
- http://www.osvdb.org/50359 vdb-entryx_refsource_OSVDB
- http://www.osvdb.org/50360 vdb-entryx_refsource_OSVDB
- https://access.redhat.com/security/cve/CVE-2007-6721 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=494053 Issue Tracking
- https://github.com/advisories/GHSA-m26p-m559-g5j5 Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2007-6721
- https://web.archive.org/web/20071022023551/http://www.bouncycastle.org/csharp/
- https://web.archive.org/web/20080316202318/http://www.bouncycastle.org:80/releasenotes.html
- https://www.cve.org/CVERecord?id=CVE-2007-6721
| Link | Providers | Tags |
|---|---|---|
| http://freshmeat.net/projects/bouncycastlecryptoapi/releases/265580 | x_refsource_CONFIRM | |
| http://www.bouncycastle.org/csharp/ | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.bouncycastle.org/devmailarchive/msg08195.html | mailing-listx_refsource_MLISTPatchVendor Advisory | |
| http://www.bouncycastle.org/releasenotes.html | x_refsource_CONFIRM | |
| http://www.osvdb.org/50358 | vdb-entryx_refsource_OSVDB | |
| http://www.osvdb.org/50359 | vdb-entryx_refsource_OSVDB | |
| http://www.osvdb.org/50360 | vdb-entryx_refsource_OSVDB | |
| https://access.redhat.com/security/cve/CVE-2007-6721 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=494053 | Issue Tracking | |
| https://github.com/advisories/GHSA-m26p-m559-g5j5 | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2007-6721 | ||
| https://web.archive.org/web/20071022023551/http://www.bouncycastle.org/csharp/ | ||
| https://web.archive.org/web/20080316202318/http://www.bouncycastle.org:80/releasenotes.html | ||
| https://www.cve.org/CVERecord?id=CVE-2007-6721 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 30, 2009
Updated Aug 7, 2024
Reserved Mar 29, 2009
Link CVE-2007-6721
CISA Vulnrichment
GHSA-M26P-M559-G5J5 Updated n/a