Is CVE-2020-27871 in the CISA KEV catalog?

No. CVE-2020-27871 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-27871?

CVE-2020-27871 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2020-27871?

CVE-2020-27871 has an EPSS score of 90.39% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2020-27871

HIGHEPSS 100th pctl

7.2

CVSS v3

NVD

Description

This vulnerability allows remote attackers to create arbitrary files on affected installations of SolarWinds Orion Platform 2020.2.1. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within VulnerabilitySettings.aspx. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-11902.

CWE-22Path Traversal

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

90.39%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

https://www.zerodayinitiative.com/advisories/ZDI-21-067/

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.