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.

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

EPSS: 0.866 (99.7th percentile) — read the EPSS interpretation.

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.

Affected products

Veeam One — versions 9.5.4.4587
Veeam One Agent — versions 9.5.4.4587

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)
zdi-disclosures@trendmicro.com (x_refsource_MISC)

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.