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Fencer Vulns
high 7.3

CVE-2021-43188 json

In JetBrains YouTrack Mobile before 2021.2, access token protection on iOS is incomplete.

published 2021-11-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30132

cvss
7.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

In JetBrains YouTrack Mobile before 2021.2, access token protection on iOS is incomplete.

Patch / fix

  • jetbrains youtrack_mobile 2021.2

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

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.