CVE-2020-4067
Improper Initialization in coturn
02 Description
Improper Initialization in coturn
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.89% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 79.4% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-06-29 19:55Z6 YR AGO
- Last updated
- 2024-08-04 07:52Z2 YR AGO
- Reserved
- 2019-12-30
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.0)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
- Weaknesses
- CWE-665Improper InitializationClass
- Data version
- 5.1
- Document digest
- ea79d1e420bf17e628891e663677013848c744d712cc7577f9adc1b355e36aa1
05 Affected products
06 References
- github.comhttps://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcm
- github.comhttps://github.com/coturn/coturn/issues/583
- github.comhttps://github.com/coturn/coturn/blob/aab60340b201d55c007bcdc853230f47aa2dfdf1/ChangeLog#L15
- www.debian.orgDSA-4711https://www.debian.org/security/2020/dsa-4711
- lists.debian.org[debian-lts-announce] 20200701 [SECURITY] [DLA 2271-1] coturn security updatehttps://lists.debian.org/debian-lts-announce/2020/07/msg00002.html
- lists.opensuse.orgopenSUSE-SU-2020:0937http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html
- usn.ubuntu.comUSN-4415-1https://usn.ubuntu.com/4415-1/
- lists.fedoraproject.orgFEDORA-2020-9eadf517dehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/
- lists.fedoraproject.orgFEDORA-2020-d946f64eeahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/
07 Fixed in
Debian 12
- coturn Fixed in 4.5.1.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- coturn Fixed in 4.5.1.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- coturn Fixed in 4.5.1.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- coturn Fixed in 4.5.0.3-1ubuntu0.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- coturn Fixed in 4.5.0.7-1ubuntu2.18.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- coturn Fixed in 4.5.1.1-1.1ubuntu0.20.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.