SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-44749

A vulnerability affecting F-Secure SAFE browser protection was discovered improper URL handling can be triggered to cause universal cross-site scripting through browsing protection in a SAFE web browser.

CRITICAL 9.6EPSS 0.82%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.82%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability affecting F-Secure SAFE browser protection was discovered improper URL handling can be triggered to cause universal cross-site scripting through browsing protection in a SAFE web browser. User interaction is required prior to exploitation. A successful exploitation may lead to arbitrary code execution.

CVSS 3.1
9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
0.82% probability · 55th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
f-secure/safe
Source
cve-notifications-us@f-secure.com

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