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CVE-2022-26501

Veeam Backup & Replication Remote Code Execution

9.8 CRITICALActively exploited (CISA KEV)Used in ransomwareEPSS 4.10%
  1. Published17 Mar 2022
  2. Added to CISA KEV13 Dec 2022
  3. Remediation due3 Jan 2023
Actively exploited (CISA KEV)

The Veeam Distribution Service in the Backup & Replication application allows unauthenticated users to access internal API functions. A remote attacker can send input to the internal API which may lead to uploading and executing of malicious code.

Added to KEV: 13 Dec 2022Federal remediation due: 3 Jan 2023Used in ransomware

Description

Veeam Backup & Replication 10.x and 11.x has Incorrect Access Control (issue 1 of 2).

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Veeam Backup & Replication≥ 10.0.0.4442 < 10.0.1.4854 · ≥ 11.0.0.825 < 11.0.1.1261 · 10.0.1.4854 · 11.0.1.1261

Remediation

Fixed in
Veeam Backup & Replication≥ 10.0.1.4854

References

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Frequently asked

Is CVE-2022-26501 being actively exploited?

Yes. CVE-2022-26501 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 13 Dec 2022. It has been used in ransomware campaigns.

How severe is CVE-2022-26501?

CVE-2022-26501 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 4.10% probability of exploitation.

Which products are affected by CVE-2022-26501?

Affected products include Veeam Backup & Replication.

How do I fix CVE-2022-26501?

Upgrade affected software to a fixed version, for example Veeam Backup & Replication 10.0.1.4854 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2022-26501 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.