CVE-2015-1769KEV · OVERDUE

Microsoft Windows Mount Manager Privilege Escalation Vulnerability

Medium · published August 15, 2015

Patch now

The score understates this — it's already being exploited

CVSS calls it medium at 6.6. It is confirmed in active exploitation. It sits in the 90.7th percentile for exploit probability.

1591
days past CISA
deadline
CVSS v3.1
6.6
EPSS
4%
Percentile
90.7
In the wild
Confirmed
What it is

⚠️ A crafty USB device is all it takes! The Mount Manager in various Windows versions mishandles symlinks, paving the way for an elevation of privilege vulnerability that could put your system at risk. 🔌 Think of it like a sneaky pizza delivery where a rogue driver swaps your order with something way more dangerous — they deliver a code execution meal straight to your server! If a physically proximate attacker connects a manipulated USB device, they could execute arbitrary code and gain elevated privileges. This might lead to unauthorized access or system control, turning your trusted system into a playground for malicious activities. Yikes!

Put simply

Think of it like a sneaky pizza delivery where a rogue driver swaps your order with something way more dangerous — they deliver a code execution meal straight to your server! This vulnerability stems from the Mount Manager's improper handling of symlinks in Windows. By connecting a specially crafted USB device, attackers can exploit this flaw to execute code with elevated privileges, potentially compromising system integrity.

What to do

If a physically proximate attacker connects a manipulated USB device, they could execute arbitrary code and gain elevated privileges. This might lead to unauthorized access or system control, turning your trusted system into a playground for malicious activities. Yikes! To mitigate this risk, ensure that your systems are patched to the latest version, especially if running Windows Vista SP2, Windows 7 SP1, or any affected version mentioned. Educate users about the dangers of connecting unknown USB devices, and consider disabling USB ports where not necessary. You've got this! By staying vigilant and applying these measures, you can help secure your systems and keep the bad guys at bay. 🛡️

The record
Technical detail
CVSS v3.1
6.6 · MEDIUM
Vector
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.04078 · 90.7th percentile
Published
2015-08-15T00:00Z
KEV added
2022-05-25 · due 2022-06-15
EPSS history
Timeline
  • 25 MAY 00:00Z
    Added to CISA KEV — remediate by Jun 15
    kev
  • 15 AUG 00:00Z
    Mount Manager in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2…
    cvelistv5