CISA KEV · Known exploitedHigh

CVE-2022-26500

Veeam Backup & Replication

Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and 11.x allows remote authenticated users access to internal API functions that allows attackers to upload and execute arbitrary code.

CVSS
8.8
EPSS
5.94%
92.5% percentile
CISA KEV
Listed
Published
2022.03.18
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability5.94%
Technical severityCVSS 8.8

Vulnerability overview

Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and 11.x allows remote authenticated users access to internal API functions that allows attackers to upload and execute arbitrary code.

Affected product and versions

Product
Veeam Backup & Replication
Affected versions
>= 10.0.0.4442 < 10.0.1.4854, >= 11.0.0.825 < 11.0.1.1261, 9.5.0.1536, 9.5.4.2615, 10.0.1.4854, 11.0.1.1261
Fixed versions
10.0.1.4854, 11.0.1.1261

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2023.01.03
  1. 1
    Identify

    Confirm that Veeam Backup & Replication and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-22
KEV added
2022.12.13
Ransomware use
확인됨
CVE-2022-26500 — Veeam Backup & Replication | SECUFOCUS NOW