CVE-2020-10914
CVE-2020-10914 is a critical-severity vulnerability in Veeam One with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 47% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 47% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-502
- Affected product: Veeam One
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2020-10914?
- 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.
- How severe is CVE-2020-10914?
- CVE-2020-10914 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-10914 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 47% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-10914?
- CVE-2020-10914 affects Veeam One. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-10914?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-10914 published?
- CVE-2020-10914 was published on 2020-04-22 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/157529/Veeam-ONE-Agent-.NET-Deserialization.html
- https://www.veeam.com/kb3144
- https://www.zerodayinitiative.com/advisories/ZDI-20-545/
Affected products (1)
- cpe:2.3:a:veeam:one:9.5.4.4587:*:*:*:*:*:*:*
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