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CVE-2020-10915
CRITICAL
This vulnerability allows remote attackers to execute arbitrary code on affected installations of VEEAM One Agent 9.5.4.4587. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HandshakeResult method. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-10401.
Published: Apr 22, 2020
Modified: Jun 17, 2026
CWE-502
CWE-502
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (1)
| Vendor | Product | Version |
|---|---|---|
| veeam | one | 9.5.4.4587 |
GitHub Security Advisory GHSA-8h5c-9h59-x8hw
This vulnerability allows remote attackers to execute arbitrary code on affected installations of...
References (6)
- http://packetstormsecurity.com/files/157529/Veeam-ONE-Agent-.NET-Deserialization.html
- https://www.veeam.com/kb3144 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-546/ Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/157529/Veeam-ONE-Agent-.NET-Deserialization.html
- https://www.veeam.com/kb3144 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-546/ Third Party Advisory, VDB Entry
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
86.62%
Top 0% most likely to be exploited
Threat Score
75.2 / 100
Data Sources
NVD
EPSS
GitHub