Sylabs Singularity Enterprise through 1.6.2 has Insufficient Entropy in a nonce.
Priority MEDIUM 45CWE-331Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Sylabs Singularity Enterprise through 1.6.2 has Insufficient Entropy in a nonce.
Why it matters now
EPSS 0.01289 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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:sylabs:singularity:*:*:*:*:enterprise:*:*:* | 1.2.0 to before 1.2.6; 1.3.0 to before 1.3.4; 1.4.0 to before 1.4.4; 1.5.0 to before 1.5.4; 1.6.0 to before 1.6.3 | Vulnerable | sylabs |
- cpe:2.3:a:sylabs:singularity:*:*:*:*:enterprise:*:*:* Versions 1.2.0 to before 1.2.6; 1.3.0 to before 1.3.4; 1.4.0 to before 1.4.4; 1.5.0 to before 1.5.4; 1.6.0 to before 1.6.3 Vulnerable ·sylabs
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-33027
- 2026-10-03 Alias added: GHSA-8jh5-pc7c-26pc
References
More sylabs Singularity vulnerabilities
- TI-2021-12997 Sylabs Singularity 3.5.x and 3.6.x, and SingularityPRO before 3.5-8, has an Incorrect… CVSS 3.1CRITICAL 9.8
- TI-2020-12001 Path traversal and files overwrite with unsquashfs CVSS 3.1CRITICAL 9.3
- TI-2020-15301 Sylabs Singularity through 3.6.2 has Insecure Permissions on temporary directories used… CVSS 3.1HIGH 8.8
- TI-2019-08462 An issue was discovered in Singularity 3.1.0 to 3.2.0-rc2, a malicious user with… CVSS 3.1HIGH 8.8
- TI-2020-15300 Sylabs Singularity 3.2.0 through 3.6.2 has Insecure Permissions on temporary directories… CVSS 3.1HIGH 8.1
- TI-2020-10832 Sylabs Singularity 3.5.0 through 3.5.3 fails to report an error in a Status Code. CVSS 3.1HIGH 7.5
Sources
- CVE-2021-33027 · CVE Program
- CVE-2021-33027 · NVD
- FIRST EPSS
- GHSA-8jh5-pc7c-26pc · GitHub Advisory Database · CC BY 4.0
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