CVE-2015-6639

high

Published 2016-01-06 · Modified 2026-05-06

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CVSS v3

7.8

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

8.8

Description

The Widevine QSEE TrustZone application in Android 5.x before 5.1.1 LMY49F and 6.0 before 2016-01-01 allows attackers to gain privileges via a crafted application that leverages QSEECOM access, aka internal bug 24446875.

Predictions

Exploit likelihood

75%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-39757 local android text · 1 KB

laginimaineb · 2016-05-02

QSEE - PRDiag* Commands Privilege Escalation

text exploit Source: Exploit-DB

Sources:
https://bits-please.blogspot.ca/2016/05/qsee-privilege-escalation-vulnerability.html
https://github.com/laginimaineb/cve-2015-6639

Qualcomm's Secure Execution Environment  (QSEE) Privilege Escalation Exploit using PRDiag* commands (CVE-2015-6639)


Proof of Concept:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/39757.zip

References

CWEs

CWE-264

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.