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Vulnerability record · CVE-2018-4056 · published 5 February 2019

CVE-2018-4056: Coturn project coturn sql injection vulnerability

Coturn Project · Coturn

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.

9.8 CVSS 3.1 Critical EPSS 3.0% · top 13.3% CWE-89 · SQL injection
9.8CVSS 3.1 base score, v2 7.5
3.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.debian.org/debian-lts-announce/2019/02/msg00017.html Mailing ListThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0730 ExploitThird Party Advisory
https://www.debian.org/security/2019/dsa-4373 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00017.html Mailing ListThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0730 ExploitThird Party Advisory
https://www.debian.org/security/2019/dsa-4373 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-4056), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.