CVE-2021-20729

Description

Cross-site scripting vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions 2.5.2 and earlier, and pfSense Plus software versions 21.05 and earlier) allows a remote attacker to inject an arbitrary script via a malicious URL.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory netgate.com Third-Party Advisory jvn.jp
Affected: pfSense pfSense CE and pfSense Plus
Published at:
Updated at:

References

Link Tags
https://docs.netgate.com/downloads/pfSense-SA-21_02.captiveportal.asc third party advisory
https://jvn.jp/en/jp/JVN87751554/index.html third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2021-20729?
CVE-2021-20729 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20729?
To fix CVE-2021-20729, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20729 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20729 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20729?
CVE-2021-20729 affects pfSense pfSense CE and pfSense Plus.
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