CVE-2021-33594
Status: ModifiedLow (3.5)—
An address bar spoofing vulnerability was discovered in Safe Browser for Android. When user clicks on a specially crafted a malicious URL, it appears like a legitimate one on the address bar, while the content comes from other domain and presented in a window, covering the original content. A remote attacker can leverage this to perform address bar spoofing attack.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
- Base score: 3.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.07%
- Percentile among all scored CVEs: 64
- Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- NVD-CWE-Other
References
- https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33594
- https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories
- https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33594
Raw JSON (NVD)
Show
{
"id": "CVE-2021-33594",
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"metrics": {
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"authentication": "SINGLE",
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"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
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"acInsufInfo": false,
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"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.8,
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"published": "2021-08-11T11:15:09.067",
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"descriptions": [
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"value": "An address bar spoofing vulnerability was discovered in Safe Browser for Android. When user clicks on a specially crafted a malicious URL, it appears like a legitimate one on the address bar, while the content comes from other domain and presented in a window, covering the original content. A remote attacker can leverage this to perform address bar spoofing attack."
},
{
"lang": "es",
"value": "Se ha detectado una vulnerabilidad de suplantación de la barra de direcciones en Safe Browser para Android. Cuando el usuario hace clic en una URL maliciosa especialmente diseñada, aparece como una legítima en la barra de direcciones, mientras que el contenido proviene de otro dominio y se presenta en una ventana, cubriendo el contenido original. Un atacante remoto puede aprovechar esto para llevar a cabo un ataque de falsificación de la barra de direcciones"
}
],
"lastModified": "2026-06-17T03:54:50.670",
"configurations": [
{
"nodes": [
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