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Vulnerability record · CVE-2020-27986 · published 28 October 2020

CVE-2020-27986: Sonarsource sonarqube missing authentication for critical function vulnerability

Sonarsource · Sonarqube

SonarQube 8.4.2.36762 allows remote attackers to discover cleartext SMTP, SVN, and GitLab credentials via the api/settings/values URI. NOTE: reportedly, the vendor's position for SMTP and SVN is "it is the administrator's responsibility to configure it.

7.5 CVSS 3.1 High EPSS 16% · top 3.2% CWE-306 · Missing authentication for critical functionCWE-312 · Cleartext storage of sensitive data
7.5CVSS 3.1 base score, v2 5.0
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

SonarQube 8.4.2.36762 allows remote attackers to discover cleartext SMTP, SVN, and GitLab credentials via the api/settings/values URI. NOTE: reportedly, the vendor's position for SMTP and SVN is "it is the administrator's responsibility to configure it.

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

Affected products

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

References

LinkTags
https://csl.com.co/sonarqube-auditando-al-auditor-parte-i/ Vendor Advisory
https://csl.com.co/sonarqube-auditando-al-auditor-parte-i/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-27986), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.