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Fencer Vulns
critical 9.6

CVE-2021-3210 json

components/Modals/HelpTexts/GenericAll/GenericAll.jsx in Bloodhound <= 4.0.1 allows remote attackers to execute arbitrary system commands w…

published 2021-02-19 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26550

cvss
9.6
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

components/Modals/HelpTexts/GenericAll/GenericAll.jsx in Bloodhound <= 4.0.1 allows remote attackers to execute arbitrary system commands when the victim imports a malicious data file containing JavaScript in the objectId parameter.

Exploit prediction

2.70% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/BloodHoundAD/BloodHound/issues/338 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/BloodHoundAD/BloodHound/blob/338e197dc4b7a1ee929c335141172ada5bc80800/src/components/Modals/HelpTexts/GenericAll/GenericAll.jsx#L31-L37 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/BloodHoundAD/BloodHound/blob/338e197dc4b7a1ee929c335141172ada5bc80800/src/components/Modals/HelpModal.jsx#L57 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.