CVE-2022-21723 is a critical out-of-bounds read vulnerability in PJSIP versions 2.11.1 and prior, affecting products like Asterisk, Debian, Sangoma, and Teluu. This flaw occurs when processing malformed multipart SIP messages, potentially leading to denial of service or information disclosure. With a CVSS score of 9.1, it is easily exploitable over the network without user interaction, posing a high risk to confidentiality and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.11.1CPE matchmatch criteria | cpe:2.3:a:teluu:pjsip:*:*:*:*:*:*:*:* | ||
16.8.0CPE matchmatch criteria | cpe:2.3:a:asterisk:certified_asterisk:16.8.0:*:*:*:*:*:*:* | ||
16.8.0CPE matchmatch criteria | cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert1:*:*:*:*:*:* | ||
16.8.0CPE matchmatch criteria | cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert10:*:*:*:*:*:* | ||
16.8.0CPE matchmatch criteria | cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert11:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.