CVE-2015-6621 Privilege escalation in n/a

What is CVE-2015-6621?

CVE-2015-6621 is a critical vulnerability in Google Android, published on 8 Dec 2015. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

SystemUI in Android 5.x before 5.1.1 LMY48Z and 6.0 before 2015-12-01 allows attackers to gain privileges via a crafted application, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 23909438.

Weakness: CWE-264

Which versions are affected by CVE-2015-6621?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2015-6621?

No fix has been published for CVE-2015-6621 yet. Limit exposure of the affected software until one is available.

Is CVE-2015-6621 being exploited?

There is no known exploitation of CVE-2015-6621 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8c4h-mx9r-xvhr.