CVE-2020-10914
This vulnerability allows remote attackers to execute arbitrary code on affected installations of VEEAM One Agent 9.5.4.4587.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 47.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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 PerformHandshake 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-10400.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 47.87% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- veeam/one
- Source
- zdi-disclosures@trendmicro.com
EPSS 47.9% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/157529/Veeam-ONE-Agent-.NET-Deserialization.html
- https://www.veeam.com/kb3144Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-545/Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/157529/Veeam-ONE-Agent-.NET-Deserialization.html
- https://www.veeam.com/kb3144Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-545/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.