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Fencer Vulns
medium 4.8

CVE-2021-44310 json

An issue was discovered in Firmware Analysis and Comparison Tool v3.2.

published 2022-03-30 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-31153

cvss
4.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

An issue was discovered in Firmware Analysis and Comparison Tool v3.2. With administrator privileges, the attacker could perform stored XSS attacks by inserting JavaScript and HTML code in user creation functionality.

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • brainy-sternum-995.notion.site https://brainy-sternum-995.notion.site/CVE-2021-44310-Reserved-e9efc897f9944464b8807d44c6fc21df referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

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.