CVE-2020-10915 Deserialization in One Agent

What is CVE-2020-10915?

CVE-2020-10915 is a critical unsafe deserialization vulnerability in VEEAM One Agent, published on 22 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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 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.

Weakness: CWE-502

Which versions are affected by CVE-2020-10915?

It affects 1 product.

Products include Veeam One.

How do I fix CVE-2020-10915?

No fix has been published for CVE-2020-10915 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2020-10915 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-10915 exists.

Public exploit code: 1 Metasploit module and 1 proofs of concept on GitHub.

Other vulnerabilities in VEEAM One Agent

• CVE-2023-38547 Information disclosure in One Critical 9.9
• CVE-2023-38548 Information disclosure in One Critical 9.8
• CVE-2020-10914 Deserialization in One Agent Critical 9.8
• CVE-2024-42024 Privilege escalation in One Critical 9.1
• CVE-2024-42019 Information disclosure in One Critical 9.0

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8h5c-9h59-x8hw.