Vulnerability · Published Mar 31, 2022 · Assigned by jpcert
CVE-2021-20729
Medium 6.1
In plain English
A medium-severity security flaw in pfSense CE and pfSense Plus from pfSense. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.9% (higher than 87% of all known vulnerabilities).
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)2.9%top 13.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| pfSense | pfSense CE and pfSense Plus | pfSense CE software versions 2.5.2 and earlier, and pfSense Plus software versions 21.05 and earlier |
References
- https://docs.netgate.com/downloads/pfSense-SA-21_02.captiveportal.asc x_refsource_MISC
- https://jvn.jp/en/jp/JVN87751554/index.html x_refsource_MISC