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No exploitation reportedFix available

CVE-2018-4056

No exploitation reported by the sources we read.

  • Published2019-02-05
  • WeaknessCWE-89

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An exploitable SQL injection vulnerability exists in the administrator web portal function of coTURN prior to version 4.5.0.9. A login message with a specially crafted username can cause an SQL injection, resulting in authentication bypass, which could give access to the TURN server administrator web portal. An attacker can log in via the external interface of the TURN server to trigger this vulnerability.

Timeline

dates in UTC
  1. 2019-02-0518:29CVE publishedNVD

Versions per branch

NVD
Debian debian linux
BranchAffectedFixed in
8.0= 8.0no fix published
9.0= 9.0no fix published
Coturn project coturn
BranchAffectedFixed in
4.5< 4.5.0.94.5.0.9

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • coturnUbuntu:18.04:LTSall versions · fixed in 4.5.0.7-1ubuntu2.18.04.1
  • coturnUbuntu:16.04:LTSall versions · fixed in 4.5.0.3-1ubuntu0.2
  • coturnDebian:14all versions · fixed in 4.5.1.0-1
  • coturnDebian:13all versions · fixed in 4.5.1.0-1
  • coturnDebian:12all versions · fixed in 4.5.1.0-1
  • coturnDebian:9all versions · fixed in 4.5.0.5-1+deb9u1
  • coturnDebian:8all versions · fixed in 4.2.1.2-1+deb8u1

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.19.8read 2026-10-23
  • CNACVSS 3.09.1known since 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • NVDweakness (CWE)CWE-89read 2026-10-23
  • FIRST EPSSEPSS score3.0 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

  • EUVD-2018-15842same flawENISA EUVD · LicenseRef-ENISA-legal-notice
  • GHSA-c3pf-948r-8592same flawGitHub Advisory Database · CC-BY-4.0
  • DLA-1671-1advisory covering several CVEsDebian · LicenseRef-unstated
  • DSA-4373-1advisory covering several CVEsDebian · LicenseRef-unstated

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-02-05
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-c3pf-948r-8592

Frequently asked questions

What is CVE-2018-4056?

An exploitable SQL injection vulnerability exists in the administrator web portal function of coTURN prior to version 4.5.0.9. A login message with a specially crafted username can cause an SQL injection, resulting in authentication bypass, which could give access to the TURN server administrator web portal. An attacker can log in via the external interface of the TURN server to trigger this vulnerability.

Is CVE-2018-4056 actively exploited?

Active exploitation of CVE-2018-4056 has not been confirmed. Its EPSS score was 3.0% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-4056?

CVE-2018-4056 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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