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Mallory
CriticalCISA KEVExploited in the wildPublic exploit

Incorrect Access Control in Veeam Backup & Replication 10.x and 11.x

IdentifiersCVE-2022-26501CWE-284

CVE-2022-26501 is an Incorrect Access Control vulnerability in Veeam Backup & Replication versions 10.x and 11.x. The flaw allows unauthorized users to access or perform privileged operations on the Veeam backup infrastructure, potentially enabling attackers to compromise backup data or leverage the system for further lateral movement. This vulnerability has been actively exploited by threat actors, including the Cuba ransomware group, as part of their initial access and privilege escalation tactics.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation of this vulnerability allows attackers to gain unauthorized access to Veeam Backup & Replication servers. This can result in the compromise of backup data, credential dumping, and the use of the backup infrastructure as a pivot point for further attacks, including ransomware deployment and data exfiltration. In the context of Cuba ransomware, exploitation of this vulnerability has facilitated lateral movement and privilege escalation within victim environments.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, restrict network access to Veeam Backup & Replication servers to trusted management networks only. Monitor for suspicious activity on Veeam servers, such as unauthorized access attempts or abnormal process execution. Implement strong authentication and least privilege principles for accounts with access to backup infrastructure. Regularly review and audit backup server configurations and access logs.

Remediation

Patch, then assume compromise.

Upgrade Veeam Backup & Replication to the latest patched version as provided by Veeam. Veeam has released security updates addressing this vulnerability; all affected systems should be updated immediately. Review Veeam's official advisory for specific patch versions and additional hardening recommendations.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
Veeam SoftwareVeeam Backup & Replicationapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures1

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.