CVE-2021-44749
Universal Cross-Site Scripting Vulnerability in F-Secure SAFE Browser Protection for Android
- Published
- Updated
- Reserved
- Assigned by
- F-SecureUS
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.
Timeline
ID reserved
By F-SecureUS
- 3 months later
· 3 months later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| F-SecureUSCNA (assigner) | 3.1 | Medium5.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | Critical9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.82% · top 43% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
- Universal Cross-Site Scripting Vulnerability in F-Secure SAFE Browser Protection for Android
- CWE-79 (opens in a new tab)All about CWE-79 and its CVEs
Affected products
F-Secure · F-Secure SAFE Browser for Android Version 18.5
- affected unspecified – < 18.5x
What to do
Solution: FIX : A fix has been released in the automatic update channel since 18th February 2022. No user action is required if automatic update is enabled.
References (1)
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-44749 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-44749)Record last updated .