Ubuntu.comUB:CVE-2021-32920CVE-2021-32920
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.007 Low
EPSS
Percentile
80.9%
Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of
SSL/TLS renegotiation requests.
References
blog.prosody.im/prosody-0.11.9-released/
hg.prosody.im/trunk/rev/55ef50d6cf65
hg.prosody.im/trunk/rev/5a484bd050a7
hg.prosody.im/trunk/rev/aaf9c6b6d18d
launchpad.net/bugs/cve/CVE-2021-32920
nvd.nist.gov/vuln/detail/CVE-2021-32920
prosody.im/security/advisory_20210512.txt
security-tracker.debian.org/tracker/CVE-2021-32920
www.cve.org/CVERecord?id=CVE-2021-32920
www.openwall.com/lists/oss-security/2021/05/13/1
Related
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.007 Low
EPSS
Percentile
80.9%