Vulnpedia
← All CVEs

CVE-2023-27532

HIGH 7.5 KNOWN EXPLOITED RANSOMWARE PoC CATALOGUED ALL-YEARS

Published 2023-03-10 · Last modified 2025-10-21 · hackerone · NVD: Analyzed

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.

ACTIVELY EXPLOITED

Confirmed exploited in the wild — in CISA KEV since 2023-08-22, linked to ransomware campaigns. Patch or mitigate now.

Exploitation likelihood

80.6%chance of exploitation in 30 days · 100th percentile

● In CISA KEV (2023-08-22)● Catalogued PoC◆ SSVC: exploitation active, automatable yes

Impact if exploited

7.5CVSS 3.1 · HIGH · ADP

  • ConfidentialityHigh
  • IntegrityNone
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

Public PoC or exploit resources are catalogued below.

Listed by the named source; Vulnpedia has not tested these resources.

PoC data: JSON

Resource commands

curl -s https://vulnpedia.com/cve/CVE-2023-27532/poc.jsonMachine-readable PoC index for this CVE (for automation).

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot:

Affected

Vendors Veeam

Products Veeam Backup & Replication Veeam Backup \& Replication

Weakness (CWE)

  • CWE-306: Missing Authentication for Critical Function (CWE-306)

CVSS vector

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

References and research data (JSON)

Unverified PoC candidates

Catalogue matches for further research. These repositories have not been validated as working exploits.

4 candidates

Additional exploitation reports

Source-specific reports, separate from CISA KEV. Repeated observations from one source are not independent confirmations.

49 more source reports

Known Affected Software Configurations

VendorProductVersion range
VeeamVeeam Backup \& Replication< 11.0.1.1261
VeeamVeeam Backup \& Replication11.0.1.1261
VeeamVeeam Backup \& Replication11.0.1.1261
VeeamVeeam Backup \& Replication11.0.1.1261
VeeamVeeam Backup \& Replication11.0.1.1261
VeeamVeeam Backup \& Replication12.0.0.1420

All CVSS metrics

  • HIGH 7.5 v3.1 · ADP Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • HIGH 7.5 v3.1 · NVD Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Advisories

Technical & other

Sources: NVD · CVE.org · All sources and attribution · EPSS