Paper/Archive/CVE-2020-10915

CVE-2020-10915

VEEAM One Agent — This vulnerability allows remote attackers to execute arbitrary code on affected installations of VEEAM One Agent 9.5.4.4587.

EPSS 87%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (CNA, NVD agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 99.7.997 × 2019.9 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

One Agent9.5.4.4587–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

zdi (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refzerodayinitiative.com/advisories/ZDI-20-546 refveeam.com/kb3144 refpacketstormsecurity.com/files/157529/Veeam-ONE-Agent-.NET-Deserialization.html