Zaver through 2020-12-15 allows directory traversal via the GET /.. substring.

published 2022-08-27 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-41356

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 4.6%; EPSS 4.6% chance of exploitation in 30 days, percentile 91%
public exploits: 0; none known, plus a Nuclei check

Exploit prediction

4.61% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Nuclei template Zaver - Local File Inclusion nuclei detection template
github.com https://github.com/zyearn/zaver/issues/22 referenced PoC, tagged "exploit" by a source, unverified

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:H/I:N/A:N

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

github.com /zyearn/zaver/issues/22
exploit, issue-tracking, third-party-advisory

Sources

CVE List CVE-2022-38794
NVD CVE-2022-38794

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