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CVE-2020-14034

24
FAUCET Score

CVE-2020-14034 is a critical buffer overflow vulnerability affecting Janus WebRTC Server (janus-gateway) versions through 0.10.0. An unauthenticated attacker can exploit this by sending a specially crafted, long value within an SDP Offer packet, leading to a complete compromise of confidentiality, integrity, and availability. Despite its critical CVSS score of 9.8, there is currently no public exploit code, active exploitation, or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.10.0CPE matchmatch criteria
cpe:2.3:a:meetecho:janus:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.29%
Probability of exploitation in next 30 days
EPSS Percentile
81.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0229 is in the 71st percentile among its peer group of 36,833 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / meetecho/janus-gateway/blob/v0.10.0/utils.c
PatchThird Party Advisory
github.com / meetecho/janus-gateway/blob/v0.10.0/utils.c
PatchThird Party Advisory
github.com / meetecho/janus-gateway/pull/2229
Third Party Advisory