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Fencer Vulns
critical 9.1

CVE-2021-37549 json

In JetBrains YouTrack before 2021.1.11111, sandboxing in workflows was insufficient.

published 2021-08-06 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24110

cvss
9.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

In JetBrains YouTrack before 2021.1.11111, sandboxing in workflows was insufficient.

Patch / fix

  • jetbrains youtrack 2021.1.11111

Exploit prediction

1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:P/A:N

References

Sources

Fencer Vulns 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.