CVE-2021-40853: TCMAN GIM missing authorization vulnerability

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-17 · updated 2026-06-17
Weakness: CWE-862

Description

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.

Affected products

TCMAN GIM: 8.0, 11.0

References

https://www.incibe.es/en/incibe-cert/notices/aviso/tcman-gim-missing-authorization-vulnerability
https://www.incibe.es/en/incibe-cert/notices/aviso/tcman-gim-missing-authorization-vulnerability

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