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Known exploited vulnerability

CVE-2022-26500

highCVSS 3.1 8.8In CISA KEVRansomwareEPSS 5.8%Published · n/a

The short answer

CVE-2022-26500 affects n/a n/a and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-12-13: attackers are using it, so patch it first.

What it is

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.

Weakness: CWE-22.

Severity

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Dec 13, 2022

Federal due date Jan 3, 2023

EPSS, next 30 days

5.8%

Higher than 93% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

n/a. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2022-26500 being exploited?

Yes. CISA added CVE-2022-26500 to its Known Exploited Vulnerabilities catalog on 2022-12-13, with a federal remediation due date of 2023-01-03. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2022-26500?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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