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CVE-2021-21375

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CVE-2021-21375

Published: Mar 10, 2021

Modified: Aug 3, 2024

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In PJSIP version 2.10 and earlier, after an initial INVITE has been sent, when two 183 responses are received, with the first one causing negotiation failure, a crash will occur. This results in a denial of service.

VendorProductVersions

pjsip

pjproject

affected
<= 2.10

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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CVE-2021-21375 | MEDIUM (6.5) - Security Vulnerability | QwikSec