TCMAN GIM open redirect vulnerability

published 2021-12-17 4y ago modified 2026-06-17 4mo ago also EUVD-2021-28008

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

TCMAN GIM is affected by an open redirect vulnerability. This vulnerability allows the redirection of user navigation to pages controlled by the attacker. The exploitation of this vulnerability might allow a remote attacker to obtain information.

Is CVE-2021-40852 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	5.8	AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected products

TCMAN GIM

Classification

Weakness

CWE-601 URL Redirection to Untrusted Site

References

incibe-cert.es /en/early-warning/security-advisories/tcman-gim-open-redirect-vulnerability
third-party-advisory

Sources

CVE List CVE-2021-40852
NVD CVE-2021-40852

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.