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Known exploited vulnerability

CVE-2024-40711

criticalCVSS 3.1 9.8In CISA KEVRansomwareEPSS 90%Published · Veeam

The short answer

CVE-2024-40711 affects Veeam Backup and Recovery and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2024-10-17: attackers are using it, so patch it first.

What it is

A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).

Weakness: CWE-502.

Severity

9.8 critical

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

Exploited (CISA KEV)

Yes, since Oct 17, 2024

Federal due date Nov 7, 2024

EPSS, next 30 days

90%

Higher than 100% of scored CVEs

How it can be exploited

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

What CISA says to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected products

Backup and Recovery, backup_\&_replication. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2024-40711 being exploited?

Yes. CISA added CVE-2024-40711 to its Known Exploited Vulnerabilities catalog on 2024-10-17, with a federal remediation due date of 2024-11-07. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2024-40711?

CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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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