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TI-2021-17776 Aliases CVE-2021-40853GHSA-g4wc-2gqq-5g7v

TCMAN GIM missing authorization vulnerability

Priority LOW 33CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

TCMAN GIM does not perform an authorization check when trying to access determined resources. A remote attacker could exploit this vulnerability to access URL that require privileges without having them. The exploitation of this vulnerability might allow a remote attacker to obtain sensible information.

Why it matters now

EPSS 0.00852 58th 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
TCMANGIM8.0; 11.0—No fix listedCNA
  • GIM VendorTCMAN Affected 8.0; 11.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:tcman:gim:8.0:*:*:*:*:*:*:*8.0VulnerableTCMAN
cpe:2.3:a:tcman:gim:11.0:*:*:*:*:*:*:*11.0VulnerableTCMAN
  • cpe:2.3:a:tcman:gim:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·TCMAN
  • cpe:2.3:a:tcman:gim:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·TCMAN

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40853
  2. 2026-10-03 Alias added: GHSA-g4wc-2gqq-5g7v

References

  • TI-2025-27134 Missing authentication in TCMAN GIM CVSS 4.0CRITICAL 9.3
  • TI-2025-27096 Multiple vulnerabilities in TCMAN's GIM CVSS 4.0CRITICAL 9.3
  • TI-2025-27095 Multiple vulnerabilities in TCMAN's GIM CVSS 4.0CRITICAL 9.3
  • TI-2025-27094 Multiple vulnerabilities in TCMAN's GIM CVSS 4.0CRITICAL 9.3
  • TI-2025-27093 Multiple vulnerabilities in TCMAN's GIM CVSS 4.0CRITICAL 9.3
  • TI-2025-27092 Multiple vulnerabilities in TCMAN's GIM CVSS 4.0CRITICAL 9.3
See all 23 →

Sources