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CVE-2021-43549

MEDIUMCVSS 4.8/10EPSS 0.67%

Last modified

CVE-2021-43549 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
4.8/10

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

EPSS Probability
0.67%

47.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OsisoftPi Web Api<= 2019

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-43549?
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.
How severe is CVE-2021-43549?
CVE-2021-43549 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43549?
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.

Are you affected by CVE-2021-43549?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST