CVE-2015-6856 describes a privilege escalation vulnerability in the Dell Pre-Boot Authentication Driver (PBADRV.sys) version 1.0.1.5. A local attacker can exploit this flaw by making a specific IOCTL call (0x0022201c) to write to arbitrary physical memory locations, thereby gaining elevated privileges. This vulnerability carries a high CVSSv3 score of 7.8, indicating a significant impact on confidentiality, integrity, and availability, with low attack complexity and no user interaction required. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.1.5CPE matchmatch criteria | cpe:2.3:a:dell:pre-boot_authentication_driver:1.0.1.5:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.