Auth bypass in Sonarsource Sonarqube

CVE-2020-27986

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.

Vulnerability class: Broken Authentication

EPSS: 0.162 (96.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-27986?
CVE-2020-27986 is a high-severity vulnerability in Sonarsource Sonarqube, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2020-10-28.
How severe is CVE-2020-27986?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-27986 known to be exploited?
31 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.