Deserialization in Veeam One
CVE-2020-10915
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.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.866 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.866 · newest: 0.866 · change: 0.000
Affected products
- Veeam One — versions 9.5.4.4587
- Veeam One Agent — versions 9.5.4.4587
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zerodayinitiative.com/advisories/ZDI-20-546/ (VDB Entry, Third Party Advisory)
- www.veeam.com/kb3144 (Vendor Advisory)
- packetstormsecurity.com/files/157529/Veeam-ONE-Agent-.NET-Deserialization.html
Frequently asked questions
- What is CVE-2020-10915?
- CVE-2020-10915 is a critical-severity vulnerability in Veeam One, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2020-04-22.
- How severe is CVE-2020-10915?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-10915 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.