CVE-2021-23351
Denial of Service (DoS)
02 Description
Denial of Service (DoS)
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
- 1.87% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 79.1% of scored records. A rank, not a probability.
- NVD base score
- 4.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- 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
- 2021-03-08 04:45Z5 YR AGO
- Last updated
- 2024-09-17 01:31Z2 YR AGO
- Reserved
- 2021-01-08
- Assigning CNA
- snyk
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.4)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 473d1d7a6caa1ccb07105a46fdee29dea34697f1cd98ff1305cb9655f60891b2
05 Affected products
06 References
- snyk.iohttps://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPIRESGOPROXYPROTO-1081577
- github.comhttps://github.com/pires/go-proxyproto/pull/71
- github.comhttps://github.com/pires/go-proxyproto/issues/69
- github.comhttps://github.com/pires/go-proxyproto/commit/7f48261db810703d173f27f3309a808cc2b49b8b
- lists.fedoraproject.orgFEDORA-2021-e01c1fe4cchttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BNVGJMVI3ZTZ675EFPUHPGXCKCGSX46/
- lists.fedoraproject.orgFEDORA-2021-f5fcd9b0c1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C36IBVOZXRTWM7MGTRUTOM56P5RR74VU/
07 Fixed in
Debian 12
- golang-github-pires-go-proxyproto Fixed in 0.4.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- golang-github-pires-go-proxyproto Fixed in 0.4.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- golang-github-pires-go-proxyproto Fixed in 0.4.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- golang-github-pires-go-proxyproto No fix yet
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.