murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.
CVE-2018-20743
HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3.6%CVSS: 7.5Exploit: None knownExposed services: —
A fix is available — apply it.
Internet exposure
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- CVSS v3
- 7.5
- EG Score
- 7.5HIGHmedium confidence
- EG Risk
- 40EG Risk 40/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation4% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 3.6%
- EPSS %ILE
- 89th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
January 25, 2019
Last Modified
November 21, 2024
References (18)
- cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2019-07/msg00045.html
- cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2019-08/msg00023.html
- cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-01/msg00058.html
- cve@mitrehttps://bugs.debian.org/919249
- cve@mitrehttps://github.com/mumble-voip/mumble/issues/3505
- cve@mitrehttps://github.com/mumble-voip/mumble/pull/3510
- cve@mitrehttps://github.com/mumble-voip/mumble/pull/3512
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2019/02/msg00006.html
- cve@mitrehttps://www.debian.org/security/2019/dsa-4402
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00045.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00023.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00058.html
- af854a3a-2127-422b-91ae-364da2661108https://bugs.debian.org/919249
- af854a3a-2127-422b-91ae-364da2661108https://github.com/mumble-voip/mumble/issues/3505
- af854a3a-2127-422b-91ae-364da2661108https://github.com/mumble-voip/mumble/pull/3510
Vendor Advisories for CVE-2018-20743
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Related CVEs(same product + same CWE)
Same product
8 shownDebian:9:mumble · Debian:11:mumble
Frequently asked(5)
What is CVE-2018-20743?
CVE-2018-20743 is a high vulnerability published on January 25, 2019. murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.
When was CVE-2018-20743 disclosed?
CVE-2018-20743 was first published on January 25, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-20743 actively exploited?
CVE-2018-20743 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.6% probability of exploitation in the next 30 days (89th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2018-20743?
CVE-2018-20743 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2018-20743?
A fix for CVE-2018-20743 is available: update to the fixed version the vendor names in its advisory.
Dependency Blast Radius
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