What is CVE-2021-27277?

CVE-2021-27277 is a high-severity vulnerability in Solarwinds Orion_platform, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2021-04-22.

How severe is CVE-2021-27277?

High severity. CVSS v3 base score is 7.8 out of 10.

Deserialization in Solarwinds Orion_platform

CVE-2021-27277

This vulnerability allows local attackers to escalate privileges on affected installations of SolarWinds Orion Virtual Infrastructure Monitor 2020.2. An attacker must first obtain the ability to execute low-privileged code on the target sy…

Vulnerability class: Insecure Deserialization

EPSS: 0.011 (61.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Solarwinds Orion_platform — versions 2020.2
Solarwinds Orion Virtual Infrastructure Monitor — versions 2020.2

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

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

Frequently asked questions

What is CVE-2021-27277?: CVE-2021-27277 is a high-severity vulnerability in Solarwinds Orion_platform, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2021-04-22.
How severe is CVE-2021-27277?: High severity. CVSS v3 base score is 7.8 out of 10.