What is CVE-2022-43549?

CVE-2022-43549 is a critical-severity vulnerability in Veeam Backup For Google Cloud, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-12-05.

How severe is CVE-2022-43549?

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

Auth bypass in Veeam Backup For Google Cloud

CVE-2022-43549

Improper authentication in Veeam Backup for Google Cloud v1.0 and v3.0 allows attackers to bypass authentication mechanisms.

Vulnerability class: Broken Authentication

Published 2022-12-05 · 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: 0.007 (52.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Veeam Backup For Google Cloud — versions 1.0, 3.0
Veeam Backup For Google Cloud — versions 1.0, 3.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.veeam.com/kb4374 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-43549?: CVE-2022-43549 is a critical-severity vulnerability in Veeam Backup For Google Cloud, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-12-05.
How severe is CVE-2022-43549?: Critical severity. CVSS v3 base score is 9.8 out of 10.