An issue in H v1.0 allows attackers to bypass authentication via a session replay attack.

published 2022-05-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-33676

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/SiJiDo/H/issues/27 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-294 Authentication Bypass by Capture-replay

References

github.com /SiJiDo/H/issues/27
exploit, issue-tracking, third-party-advisory

Sources

CVE List CVE-2022-29334
NVD CVE-2022-29334

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.

Summary