Vulnerability Description
Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Prosody | Prosody | < 0.11.9 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 32 |
References
- http://www.openwall.com/lists/oss-security/2021/05/13/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/14/2Mailing ListMitigationThird Party Advisory
- https://blog.prosody.im/prosody-0.11.9-released/Release NotesVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202105-15Third Party Advisory
- https://www.debian.org/security/2021/dsa-4916Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/13/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/14/2Mailing ListMitigationThird Party Advisory
- https://blog.prosody.im/prosody-0.11.9-released/Release NotesVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202105-15Third Party Advisory
FAQ
What is CVE-2021-32920?
CVE-2021-32920 is a vulnerability with a CVSS score of 7.5 (HIGH). Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests.
How severe is CVE-2021-32920?
CVE-2021-32920 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-32920?
Check the references section above for vendor advisories and patch information. Affected products include: Prosody Prosody, Debian Debian Linux, Fedoraproject Fedora.