CVE-2021-46837 is a denial-of-service vulnerability affecting Sangoma Asterisk versions 16.x, 17.x, and 18.x, and Certified Asterisk. An authenticated attacker can trigger a crash in the res_pjsip_t38 component by sending a specially crafted T.38 re-invite response. This vulnerability has a CVSS score of 6.5 (Medium), indicating it can be exploited remotely with low complexity to cause a high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
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:cert2:*:*:*:*:*:* | ||
16.8.0CPE matchmatch criteria | cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert3:*:*:*:*:*:* | ||
16.8.0CPE matchmatch criteria | cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert4:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.