CVE-2007-6721
UnknownEPSS 2.41%
Last modified
CVE-2007-6721 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 2.41% chance of exploitation in the next 30 days.
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."
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bouncycastle | Bc-Java | <= 1.37 |
| Bouncycastle | Bc-Java | 1.01 |
| Bouncycastle | Bc-Java | 1.02 |
| Bouncycastle | Bc-Java | 1.03 |
| Bouncycastle | Bc-Java | 1.04 |
| Bouncycastle | Bc-Java | 1.05 |
| Bouncycastle | Bc-Java | 1.06 |
| Bouncycastle | Bc-Java | 1.07 |
| Bouncycastle | Bc-Java | 1.08 |
| Bouncycastle | Bc-Java | 1.09 |
| Bouncycastle | Bc-Java | 1.10 |
| Bouncycastle | Bc-Java | 1.11 |
| Bouncycastle | Bc-Java | 1.12 |
| Bouncycastle | Bc-Java | 1.13 |
| Bouncycastle | Bc-Java | 1.14 |
| Bouncycastle | Bc-Java | 1.15 |
| Bouncycastle | Bc-Java | 1.16 |
| Bouncycastle | Bc-Java | 1.17 |
| Bouncycastle | Bc-Java | 1.18 |
| Bouncycastle | Bc-Java | 1.19 |
| Bouncycastle | Bc-Java | 1.20 |
| Bouncycastle | Bc-Java | 1.21 |
| Bouncycastle | Bc-Java | 1.22 |
| Bouncycastle | Bc-Java | 1.23 |
| Bouncycastle | Bc-Java | 1.24 |
| Bouncycastle | Bc-Java | 1.25 |
| Bouncycastle | Bc-Java | 1.26 |
| Bouncycastle | Bc-Java | 1.27 |
| Bouncycastle | Bc-Java | 1.28 |
| Bouncycastle | Bc-Java | 1.29 |
| Bouncycastle | Bc-Java | 1.30 |
| Bouncycastle | Bc-Java | 1.31 |
| Bouncycastle | Bc-Java | 1.32 |
| Bouncycastle | Bc-Java | 1.33 |
| Bouncycastle | Bc-Java | 1.34 |
| Bouncycastle | Bc-Java | 1.35 |
| Bouncycastle | Bc-Java | 1.36 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | <= 1.35 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | 1.0 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | 1.01 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | 1.02 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | 1.03 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | 1.3.1 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | 1.04 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | 1.05 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | 1.06 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | 1.07 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | 1.08 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | 1.09 |
| Bouncycastle | Bouncy-Castle-Crypto-Package | 1.11 |
Showing 50 of 72 affected configurations. See NVD for the full list.
References
- http://www.bouncycastle.org/csharp/Patch, Vendor Advisory
- http://www.bouncycastle.org/devmailarchive/msg08195.htmlPatch, Vendor Advisory
- http://www.bouncycastle.org/csharp/Patch, Vendor Advisory
- http://www.bouncycastle.org/devmailarchive/msg08195.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2007-6721?
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."
How severe is CVE-2007-6721?
Severity scoring for CVE-2007-6721 is pending analysis. The EPSS model estimates a 2.41% probability of exploitation in the next 30 days.
How do I fix CVE-2007-6721?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2007-6721?
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Scan your code nowSource: NVD / NIST