CVE-2021-43549: OSIsoft PI Web API
First published: Tue Nov 09 2021(Updated: )
A remote authenticated attacker with write access to a PI Server could trick a user into interacting with a PI Web API endpoint and redirect them to a malicious website. As a result, a victim may disclose sensitive information to the attacker or be provided with false information.
Credit: ics-cert@hq.dhs.gov ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OSIsoft PI Web API | ||
| OSIsoft PI API | <=2019 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-43549?
CVE-2021-43549 has been classified as a medium severity vulnerability.
How do I fix CVE-2021-43549?
To mitigate CVE-2021-43549, ensure that appropriate access controls are enforced and users are educated to avoid interacting with untrusted links.
Who is affected by CVE-2021-43549?
CVE-2021-43549 affects all versions of PI Web API 2019 SPI and prior, which are managed by OSIsoft.
What types of attacks does CVE-2021-43549 enable?
CVE-2021-43549 allows attackers to trick users into revealing sensitive information or providing false information via malicious redirects.
Is CVE-2021-43549 exploit code readily available?
At this time, there is no public information indicating that exploit code for CVE-2021-43549 is readily available.
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