cbcvebase.
CVE-2021-41141
published 2022-01-04

CVE-2021-41141: PJSIP is a free and open source multimedia communication library written in the C language implementing standard based protocols such as SIP, SDP, RTP, STUN…

PriorityP338high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.37%
68.4th percentile
PJSIP is a free and open source multimedia communication library written in the C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In various parts of PJSIP, when error/failure occurs, it is found that the function returns without releasing the currently held locks. This could result in a system deadlock, which cause a denial of service for the users. No release has yet been made which contains the linked fix commit. All versions up to an including 2.11.1 are affected. Users may need to manually apply the patch.

Affected

11 ranges
VendorProductVersion rangeFixed in
debiandebian_linux
pjsippjproject<= 2.11.1
pjsippjproject>= 0 < 2.12-r02.12-r0
pjsippjproject>= 0 < 2.12-r02.12-r0
pjsippjproject>= 0 < 2.12-r02.12-r0
pjsippjproject>= 0 < 2.12-r02.12-r0
pjsippjproject>= 0 < 2.12-r02.12-r0
pjsippjproject>= 0 < 2.12-r02.12-r0
pjsippjproject>= 0 < 2.12-r02.12-r0
pjsippjproject>= 0 < 2.12-r02.12-r0
teluupjsip<= 2.11.1

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.07.8HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
osv7.5HIGH
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.