CVE-2023-27532: Veeam Backup & Replication (High, CVSS 7.5)

CVE-2023-27532HighKEVPublic exploitVeeam Backup & Replication
CVSS
7.5 High (v3.1)
EPSS
80.6% chance of exploitation in the next 30 days (higher than 99.6% of CVEs)
Exploited in the wild
Yes, on CISA’s KEV list since Aug 22, 2023; used by ransomware
Public exploit
Yes, reported in 4 GitHub repositories
Weakness
CWE-306
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
Mar 10, 2023
CISA fix-by date
Sep 12, 2023 (for US federal agencies)

What it is

Vulnerability in Veeam Backup & Replication component allows encrypted credentials stored in the configuration database to be obtained. This may lead to gaining access to the backup infrastructure hosts.

Description from the National Vulnerability Database.

What to do

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

Check whether you run Veeam Backup & Replication, then apply the vendor’s fix or mitigation from the advisories below. Because this flaw is exploited or has public exploit code, treat it as urgent and check for signs of compromise, not just the patch level.

Advisories and fixes

ThreatRoundup coverage

Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.