SonarQube 8.4.2.36762 allows remote attackers to discover cleartext SMTP, SVN, and GitLab…
Priority MEDIUM 55CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass, Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-306 and CWE-312.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.15966 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sonarsource:sonarqube:8.4.2.36762:*:*:*:*:*:*:* | 8.4.2.36762 | Vulnerable | SonarSource |
- cpe:2.3:a:sonarsource:sonarqube:8.4.2.36762:*:*:*:*:*:*:* Versions 8.4.2.36762 Vulnerable ·SonarSource
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-27986
- 2026-10-03 Alias added: GHSA-56fw-8mg6-5hvp
References
More SonarSource Sonarqube vulnerabilities
- TI-2024-32164 In SonarSource SonarQube 10.4 through 10.5 before 10.6, a vulnerability was discovered in… CVSS 3.1HIGH 7.2
- TI-2024-25703 In SonarQube before 10.4 and 9.9.4 LTA, encrypted values generated using the Settings… CVSS 3.1MEDIUM 6.5
- TI-2019-13121 SonarSource SonarQube before 7.8 has XSS in project links on account/projects. CVSS 3.1MEDIUM 6.1
- TI-2020-17034 In SonarQube 8.4.2.36762, an external attacker can achieve authentication bypass through… CVSS 3.1MEDIUM 5.3
- TI-2018-13745 A vulnerability in the API of SonarSource SonarQube before 7.4 could allow an… CVSS 3.0MEDIUM 4.3
Sources
- CVE-2020-27986 · CVE Program
- CVE-2020-27986 · NVD
- FIRST EPSS
- GHSA-56fw-8mg6-5hvp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences