What is CVE-2021-3243?

CVE-2021-3243 is a medium-severity vulnerability in Wfiltericf Wfilter Internet Content Filter, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-04-15.

How severe is CVE-2021-3243?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Wfiltericf Wfilter Internet Content Filter

CVE-2021-3243

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (50.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Wfiltericf Wfilter_internet_content_filter — versions 5.0.117
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-3243?: CVE-2021-3243 is a medium-severity vulnerability in Wfiltericf Wfilter Internet Content Filter, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-04-15.
How severe is CVE-2021-3243?: Medium severity. CVSS v3 base score is 6.1 out of 10.