CVE-2024-42455
A vulnerability in Veeam Backup & Replication allows a low-privileged user to connect to remoting...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2024-42455- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2024-39889
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.
- Record
EUVD-2024-39889- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hw3m-2wrm-879c
A vulnerability in Veeam Backup & Replication allows a low-privileged user to connect to remoting...
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.
- Record
GHSA-hw3m-2wrm-879c- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-42455- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-42455 is a high vulnerability (CVSS 7.1) in Veeam Backup & Replication, published December 4, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 15.8%, the 96th percentile. No source names a fixed version.