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Vulnerability details: VCID-dvf7-hwzb-4kg9
Vulnerability ID VCID-dvf7-hwzb-4kg9
Aliases CVE-2021-21375
Summary Multiple vulnerabilities have been found in PJSIP, the worst of which could result in a Denial of Service condition.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.01311 https://api.first.org/data/v1/epss?cve=CVE-2021-21375
epss 0.01311 https://api.first.org/data/v1/epss?cve=CVE-2021-21375
epss 0.01311 https://api.first.org/data/v1/epss?cve=CVE-2021-21375
epss 0.01311 https://api.first.org/data/v1/epss?cve=CVE-2021-21375
epss 0.01311 https://api.first.org/data/v1/epss?cve=CVE-2021-21375
epss 0.01311 https://api.first.org/data/v1/epss?cve=CVE-2021-21375
epss 0.01311 https://api.first.org/data/v1/epss?cve=CVE-2021-21375
epss 0.01311 https://api.first.org/data/v1/epss?cve=CVE-2021-21375
epss 0.01311 https://api.first.org/data/v1/epss?cve=CVE-2021-21375
epss 0.01311 https://api.first.org/data/v1/epss?cve=CVE-2021-21375
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-21375
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21375
986815 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986815
GLSA-202107-42 https://security.gentoo.org/glsa/202107-42
USN-8122-1 https://usn.ubuntu.com/8122-1/
No exploits are available.
There are no known vectors.
Exploit Prediction Scoring System (EPSS)
Percentile 0.79755
EPSS Score 0.01311
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:02:39.933122+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202107-42 38.0.0