Vulnerability CVE-2021-20729
Published: 2022-03-31

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.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Pfsense -> Pfsense 
Netgate -> Pfsense plus 

 References:
https://jvn.jp/en/jp/JVN87751554/index.html
https://docs.netgate.com/downloads/pfSense-SA-21_02.captiveportal.asc
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