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TI-2021-12997 Aliases CVE-2021-33622GHSA-cq54-mjwx-5pjw

Sylabs Singularity 3.5.x and 3.6.x, and SingularityPRO before 3.5-8, has an Incorrect…

Priority MEDIUM 45CWE-754Published · 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 3.5.x and 3.6.x, and SingularityPRO before 3.5-8, has an Incorrect Check of a Function's Return Value.

Why it matters now

EPSS 0.01258 69th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:*3.5.0 to before 3.7.0Vulnerablesylabs
cpe:2.3:a:sylabs:singularitypro:*:*:*:*:*:*:*:*before 3.5-8Vulnerablesylabs
  • cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:* Versions 3.5.0 to before 3.7.0 Vulnerable ·sylabs
  • cpe:2.3:a:sylabs:singularitypro:*:*:*:*:*:*:*:* Versions before 3.5-8 Vulnerable ·sylabs

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-33622
  2. 2026-10-03 Alias added: GHSA-cq54-mjwx-5pjw

References

Advisory 2

  • TI-2021-12634 Sylabs Singularity Enterprise through 1.6.2 has Insufficient Entropy in a nonce. 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
See all 14 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences