Vulnerability Details : CVE-2021-28681
Potential exploit
Pion WebRTC before 3.0.15 didn't properly tear down the DTLS Connection when certificate verification failed. The PeerConnectionState was set to failed, but a user could ignore that and continue to use the PeerConnection. )A WebRTC implementation shouldn't allow the user to continue if verification has failed.)
Products affected by CVE-2021-28681
- cpe:2.3:a:webrtc_project:webrtc:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28681
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28681
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2021-28681
-
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-28681
-
https://github.com/pion/webrtc/security/advisories/GHSA-74xm-qj29-cq8p
Failed DTLS certificate verification doesn't stop data channel communication · Advisory · pion/webrtc · GitHubThird Party Advisory
-
https://github.com/pion/webrtc/issues/1708
DTLS Fingerprints in SDP Offer/Answer are not verified · Issue #1708 · pion/webrtc · GitHubExploit;Patch;Third Party Advisory
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