CVE-2020-10576

An issue was discovered in Janus through 0.9.1. plugins/janus_voicemail.c in the VoiceMail plugin has a race condition that could cause a server crash.

Published: 2020-03-14 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-10576 is rated Moderate Risk (40.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.65%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-10576

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.26% 0.65% +0.39%
2 2025-03-17 0.10% 0.26% +0.16%
3 2023-03-07 — 0.10% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-10576

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.9 3.1 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.2 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2020-10576

OS Trackers for CVE-2020-10576

vendor priority summary link
debian not yet assigned CVE-2020-10576 not yet assigned priority: Debian including 1 source packages (janus), 3 status rows across 3 suites (bookworm, forky, sid): resolved 3. https://security-tracker.debian.org/tracker/CVE-2020-10576
ubuntu medium CVE-2020-10576 medium priority: Ubuntu including 1 source packages (janus), 17 status rows across 17 suites (bionic, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 5, not-affected 5, DNE 3, needed 3, released 1. https://ubuntu.com/security/CVE-2020-10576

Affected software / configurations for CVE-2020-10576

Vendor Product Version Raw CPE
meetecho janus <= 0.9.1 cpe:2.3:a:meetecho:janus:*:*:*:*:*:*:*:*

References for CVE-2020-10576

URL Tags
https://github.com/meetecho/janus-gateway/pull/1993 Patch Third Party Advisory
cvelogic Threat Intelligence