How severe is CVE-2021-44748?

CVE-2021-44748 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-44748 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44748?

CVE-2021-44748 affects F-secure Safe. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44748?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-44748 published?

CVE-2021-44748 was published on 2022-03-06 and last updated on 2026-06-17.

CVE-2021-44748

CVE-2021-44748 is a medium-severity vulnerability in F-secure Safe with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: F-secure Safe
Published: 2022-03-06
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2021-44748?: 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 required prior to exploitation, such as entering a malicious website to trigger the vulnerability.
How severe is CVE-2021-44748?: CVE-2021-44748 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-44748 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44748?: CVE-2021-44748 affects F-secure Safe. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44748?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-44748 published?: CVE-2021-44748 was published on 2022-03-06 and last updated on 2026-06-17.

References

https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-44748

Affected products (1)

cpe:2.3:a:f-secure:safe:18.5:*:*:*:*:android:*:*

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