Buffer overflow in Meetecho Janus
CVE-2020-13901
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.026 (84.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c (Third Party Advisory)
- github.com/meetecho/janus-gateway/pull/2214 (Patch, Third Party Advisory)
- github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13901 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13901?
- CVE-2020-13901 is a critical-severity vulnerability in Meetecho Janus, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-06-10.
- How severe is CVE-2020-13901?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-13901 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.