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Vulnerability · Published May 13, 2021 · Assigned by mitre

CVE-2021-32920

High 7.5

In plain English

A high-severity security flaw in the prosody package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.3%top 16.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Prosody before 0.11.9 allows Uncontrolled CPU Consumption via a flood of SSL/TLS renegotiation requests.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20prosody0.11.9-r0ALPINE-CVE-2021-32920
Alpine:v3.21prosody0.11.9-r0ALPINE-CVE-2021-32920
Alpine:v3.22prosody0.11.9-r0ALPINE-CVE-2021-32920
Alpine:v3.23prosody0.11.9-r0ALPINE-CVE-2021-32920
Alpine:v3.24prosody0.11.9-r0ALPINE-CVE-2021-32920
Debian:12prosody0.11.9-1DEBIAN-CVE-2021-32920
Debian:13prosody0.11.9-1DEBIAN-CVE-2021-32920
Debian:14prosody0.11.9-1DEBIAN-CVE-2021-32920
Ubuntu:22.04:LTSprosodyno fix listedUBUNTU-CVE-2021-32920

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References