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TI-2018-08615 Aliases CVE-2018-12021GHSA-4x32-h296-rg6j

Singularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems…

Priority LOW 32CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.

Summary

Singularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems supporting overlay file system. When using the overlay option, a malicious user may access sensitive information by exploiting a few specific Singularity features.

Why it matters now

EPSS 0.01465 73rd percentileScored 2026-11-07
Fix Fixed github.com/hpcng/singularity (Go): 2.5.2

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
—github.com/hpcng/singularity (Go)2.3.0 to before 2.5.22.5.2Patch availableGHSA-4x32-h296-rg6j
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/hpcng/singularity (Go) Vendor— Affected 2.3.0 to before 2.5.2 Fixed in 2.5.2 Patch available GHSA-4x32-h296-rg6j

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:*2.3.0 – 2.5.1Vulnerablesylabs
  • cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:* Versions 2.3.0 – 2.5.1 Vulnerable ·sylabs

Remediation

  • Fix · GHSA-4x32-h296-rg6j github.com/hpcng/singularity (Go) Fixed in 2.5.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-12021
  2. 2026-10-03 Alias added: GHSA-4x32-h296-rg6j

References

Advisory 2

Other 2

  • 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-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
See all 14 →

Sources

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