What is CVE-2022-4314?

CVE-2022-4314 is a critical-severity vulnerability in Ikus060 Ikus060/rdiffweb, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2022-12-12.

How severe is CVE-2022-4314?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-4314 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Ikus060 Ikus060/rdiffweb

CVE-2022-4314

Improper Privilege Management in GitHub repository ikus060/rdiffweb prior to 2.5.2.

Vulnerability class: Privilege Escalation

Published 2022-12-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

Ikus060 Ikus060/rdiffweb — versions unspecified
Ikus-Soft Rdiffweb

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

Public proof-of-concept exploits

References

huntr.dev/bounties/b2dc504d-92ae-4221-a096-12ff223d95a8 (Exploit, Patch, Third Party Advisory)
github.com/ikus060/rdiffweb/commit/b2df3679564d0daa2856213bb307d3e34bd89a25 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-4314?: CVE-2022-4314 is a critical-severity vulnerability in Ikus060 Ikus060/rdiffweb, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2022-12-12.
How severe is CVE-2022-4314?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-4314 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.