VulnerabilityModified

CVE-2021-3243

Wfilter ICF 5.0.117 contains a cross-site scripting (XSS) vulnerability.

MEDIUM 6.1EPSS 0.73%

Does this matter?

Lower severity and a low EPSS score (0.73%). Track it; it rarely justifies an emergency change on its own.

Description

Wfilter ICF 5.0.117 contains a cross-site scripting (XSS) vulnerability. An attacker in the same LAN can craft a packet with a malicious User-Agent header to inject a payload in its logs, where an attacker can take over the system by through its plugin-running function.

CVSS 3.1: 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.73% probability · 52th percentile
CISA KEV: Not listed
Weakness: CWE-79
Affected: wfiltericf/wfilter internet content filter
Source: cve@mitre.org

References

https://drivertom.blogspot.com/2021/01/wfilter-icf-0day-rce.htmlExploit, Third Party Advisory
https://drivertom.blogspot.com/2021/01/wfilter-icf-0day-rce.htmlExploit, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.