Vulnerability identifier: #VU51827

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-27277

CWE-ID: CWE-502

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Orion Virtual Infrastructure Monitor
Other software / Other software solutions

Vendor: SolarWinds

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insecure input validation when processing serialized data in the OneTimeJobSchedulerEventsService WCF service. A local user can pass specially crafted data to the application and execute arbitrary code on the target system with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Orion Virtual Infrastructure Monitor: 2020.2.4

---

External links
http://www.zerodayinitiative.com/advisories/ZDI-21-373/
http://documentation.solarwinds.com/en/Success_Center/SAM/Content/Release_Notes/SAM_2020-2-5_release_notes.htm#Fixed

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.