Cyber Resilience

CVE-2021-44748

Medium

Published: 06 March 2022

Published
06 March 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
EPSS Score 0.0027 50.8th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-44748 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in F-Secure Safe. Its CVSS base score is 5.5 (Medium).

Operationally, ranked in the top 49.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability affecting F-Secure SAFE browser was discovered whereby browsers loads images automatically this vulnerability can be exploited remotely by an attacker to execute the JavaScript can be used to trigger universal cross-site scripting through the browser. User interaction is…

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required prior to exploitation, such as entering a malicious website to trigger the vulnerability.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

f-secure
safe
18.5

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References