Skip to content
Fencer Vulns
high 7.5

CVE-2021-22449 json

There is a logic vulnerability in Elf-G10HN 1.0.0.608.

published 2021-08-23 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9595

cvss
7.5
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 49%
public exploits
0
none known

Summary

There is a logic vulnerability in Elf-G10HN 1.0.0.608. An unauthenticated attacker could perform specific operations to exploit this vulnerability. Due to insufficient security design, successful exploit could allow an attacker to add users to be friends without prompting in the target device.

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected products

  • n/a Elf-G10HN

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.