CVE-2024-42455 in the critical feed json
A vulnerability in Veeam Backup & Replication allows a low-privileged user to connect to remoting services and exploit insecure deserializa…
published 2024-12-04 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-39889
- cvss
- 7.1
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 15.8%
- EPSS 15.8% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
A vulnerability in Veeam Backup & Replication allows a low-privileged user to connect to remoting services and exploit insecure deserialization by sending a serialized temporary file collection. This exploit allows the attacker to delete any file on the system with service account privileges. The vulnerability is caused by an insufficient blacklist during the deserialization process.
Patch / fix
- veeam veeam_backup_&_replication 12.3.0.310
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction
15.78% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.1 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H |
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
Affected products
- Veeam Backup & Replication
- veeam backup_and_replication
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
veeam.com
/kb4693
vendor-advisory
Sources
- CVE List CVE-2024-42455
- NVD CVE-2024-42455
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.