What’s Vulnerable › Vulnerabilities

CVE-2020-12021

• Severity: critical (CVSS 9.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-23 · updated 2026-06-17
• Weakness: CWE-79

Description

In OSIsoft PI Web API 2019 Patch 1 (1.12.0.6346) and all previous versions, the affected product is vulnerable to a cross-site scripting attack, which may allow an attacker to remotely execute arbitrary code.

Affected products

• OSIsoft PI Web API: through 2019; 2019-patch_1

References

• https://www.us-cert.gov/ics/advisories/icsa-20-163-01
• https://www.us-cert.gov/ics/advisories/icsa-20-163-01

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