CVE-2022-26501

Veeam Backup & Replication: Remote Code Execution

As of , CVE-2022-26501 in Veeam Backup & Replication is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 13 December 2022
US federal deadline
3 January 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Known
EPSS score
0.04Higher than 90% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.01 on 13 December 2022EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: www.veeam.comLinks below, from CISA's entry.

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

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.

CISA's description

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

The CVE record's description, from mitre

CVE published
17 March 2022
Assigned by
mitre
CVSS
9.8 Critical (CVSS 3.1, from CISA-ADP)
CWE-306
Missing Authentication for Critical Function
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Backup & Replication: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2024-40711Backup and Replication DeserializationVeeam Backup & ReplicationPatch this weekRansomware use; EPSS 0.900.90
CVE-2023-27532Cloud Connect Missing Authentication for Critical FunctionVeeam Backup & ReplicationPatch this weekRansomware use; EPSS 0.810.81
CVE-2022-26500Remote Code ExecutionVeeam Backup & ReplicationPatch this weekRansomware use0.06

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