Vulnerability Details : CVE-2021-43610
Belledonne Belle-sip before 5.0.20 can crash applications such as Linphone via an invalid From header (request URI without a parameter) in an unauthenticated SIP message, a different issue than CVE-2021-33056.
Exploit prediction scoring system (EPSS) score for CVE-2021-43610
Probability of exploitation activity in the next 30 days: 0.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 34 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-43610
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
nvd@nist.gov |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
nvd@nist.gov |
CWE ids for CVE-2021-43610
-
The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-43610
-
https://github.com/BelledonneCommunications/belle-sip/commit/d3f0651531e45e91c2e60f3a16a8b612802e5d2d
-fix via header of CANCEL request · BelledonneCommunications/belle-sip@d3f0651 · GitHubPatch;Third Party Advisory
-
https://github.com/BelledonneCommunications/belle-sip/compare/5.0.18...5.0.20
Comparing 5.0.18...5.0.20 · BelledonneCommunications/belle-sip · GitHubPatch;Third Party Advisory
Products affected by CVE-2021-43610
- cpe:2.3:a:linphone:belle-sip:*:*:*:*:*:*:*:*