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Status published
High
CVE-2021-32920
Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood...
Vulnerability Description
Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://blog.prosody.im/prosody-0.11.9-released/
- http://www.openwall.com/lists/oss-security/2021/05/13/1
- http://www.openwall.com/lists/oss-security/2021/05/14/2
- https://www.debian.org/security/2021/dsa-4916
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/
- https://security.gentoo.org/glsa/202105-15
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Affected Vendor
prosody
View all reports →Affected Software
prosody, debian linux, fedora
Vulnerable Versions:
0, 10.0, 32, 33, 34
Timeline
Official Publish:
May 13th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.