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CVE-2024-40711

Exploited in the wild. In CISA KEV since 2024‑10‑17. Fixed in 12.2.0.334.

CVSS 3.19.8CriticalEPSS percentile99th90% chance in 30 daysCISA KEVListedsince 2024-10-17, due 2024-11-07
Public exploit: 1 sourceFix12.2.0.334Upgrade to this build

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Veeam Backup and RecoveryAffected: ≥ 12.1.2, ≤ 12.1.2Upgrade to: after 12.1.2Stated by: CVE record
  • Veeam Backup \& ReplicationAffected: ≥ 12.0.0.1420, < 12.2.0.334Upgrade to: 12.2.0.334Stated by: NVD

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free Nuclei and OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Discuss checks for your systems with a specialist. Scope is agreed before testing.

Coverage timeline

1 publisher

  1. Vendor patch released

    ·BleepingComputer

  2. Added to CISA KEV catalog

    ·CISA KEV

Sourced from public security reporting — each date is when it was published, not when it happened. 1 further article named this CVE in wider roundups without reporting it as a distinct event.

What it is

From the CVE record

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

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS99th
Public exploit
CISA KEV
CISA KEV

Listed as exploited in the wild since 2024-10-17.

US federal agencies must remediate by 2024-11-07.

Known use in ransomware campaigns.

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

1 source with a proof of concept or module.

Exploit links, PoCs and Metasploit modules after sign-in
EPSS

90% chance of exploitation activity in the next 30 days, which ranks it in the 99th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Attention now

Rising, driven by wide press coverage.

Lifecycle

The patch came 127 days before any public exploit.

  1. EPSS band changehigh → criticalepss band change
  2. OpenVAS check added
  3. Public exploit / PoCsource: other
  4. Nuclei check added
  5. Patch availablerecord updated
  6. Added to CISA KEVransomware campaign

Affected products

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 9.8 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 1 more reference. See all after sign-in

Analysis on the cve.tools blog

In the news

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next exploited one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for Backup and Recovery, not every advisory. This one: actively exploited.