CVE-2020-13901
9.8
CRITICAL · CVSS 3.1 · EPSS 2.6% (pctl 85)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_sdp_merge in sdp.c has a stack-based buffer overflow.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.58% — more likely to be exploited than 85% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-06-10 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| meetecho | janus |
References
- https://github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c#L1248
- https://github.com/meetecho/janus-gateway/pull/2214
- https://github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13901
- https://github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c#L1248
- https://github.com/meetecho/janus-gateway/pull/2214
- https://github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13901
→ the Explorer · watch your stack · NVD