CVE-2020-12021
CRITICALCVSS 9/10EPSS 1.57%
Last modified
CVE-2020-12021 is a critical-severity vulnerability rated 9/10 on the CVSS scale. 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.. EPSS estimates a 1.57% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Osisoft | Pi Web Api | <= 2019 | — |
| Osisoft | Pi Web Api | 2019 | Patch 1 |
References
- https://www.us-cert.gov/ics/advisories/icsa-20-163-01Third Party Advisory, US Government Resource
- https://www.us-cert.gov/ics/advisories/icsa-20-163-01Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-12021?
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.
How severe is CVE-2020-12021?
CVE-2020-12021 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 1.57% probability of exploitation in the next 30 days.
How do I fix CVE-2020-12021?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-12021?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST