How severe is CVE-2022-43549?

CVE-2022-43549 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-43549 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-43549?

CVE-2022-43549 primarily affects Veeam Veeam Backup For Google Cloud. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-43549?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-43549 published?

CVE-2022-43549 was published on 2022-12-05 and last updated on 2026-06-17.

CVE-2022-43549

CVE-2022-43549 is a critical-severity vulnerability in Veeam Veeam Backup For Google Cloud with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Veeam Veeam Backup For Google Cloud
Published: 2022-12-05
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2022-43549?: Improper authentication in Veeam Backup for Google Cloud v1.0 and v3.0 allows attackers to bypass authentication mechanisms.
How severe is CVE-2022-43549?: CVE-2022-43549 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-43549 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-43549?: CVE-2022-43549 primarily affects Veeam Veeam Backup For Google Cloud. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-43549?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-43549 published?: CVE-2022-43549 was published on 2022-12-05 and last updated on 2026-06-17.

References

https://www.veeam.com/kb4374

Affected products (2)

cpe:2.3:a:veeam:veeam_backup_for_google_cloud:1.0:*:*:*:*:*:*:*
cpe:2.3:a:veeam:veeam_backup_for_google_cloud:3.0:*:*:*:*:*:*:*

Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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