CVE-2011-1889KEV · OVERDUE

Microsoft Forefront TMG Remote Code Execution Vulnerability

Critical · published June 16, 2011

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 98.9th percentile for exploit probability.

1673
days past CISA
deadline
CVSS v3.1
9.8
EPSS
49%
Percentile
98.9
In the wild
Confirmed
What it is

🚨 An unsuspecting request can give remote attackers the keys to your kingdom! The NSPLookupServiceNext function in Microsoft Forefront TMG 2010 is a gateway for arbitrary code execution. 🔥 Think of this vulnerability like a security guard at a party who mistakenly lets in anyone who shows up with a generic invitation — it opens the door wide to uninvited guests who can wreak havoc! If exploited, an attacker could execute arbitrary code on your system, potentially taking control of sensitive data and compromising your entire network. This is absolutely devastating for any organization relying on TMG 2010 for protection.

Put simply

Think of this vulnerability like a security guard at a party who mistakenly lets in anyone who shows up with a generic invitation — it opens the door wide to uninvited guests who can wreak havoc! The vulnerability arises from memory corruption in the NSPLookupServiceNext function, allowing attackers to send specific requests that lead to unauthorized code execution, bypassing security measures.

What to do

If exploited, an attacker could execute arbitrary code on your system, potentially taking control of sensitive data and compromising your entire network. This is absolutely devastating for any organization relying on TMG 2010 for protection. To protect yourself, ensure you patch to the latest version of Microsoft Forefront TMG and regularly audit your system for any unusual requests or activities. Additionally, consider implementing more robust network monitoring to catch potential threats early. You've got this! Stay vigilant and proactive, and you'll keep your systems secure and sound! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.49020 · 98.9th percentile
Published
2011-06-16T20:21Z
KEV added
2022-03-03 · due 2022-03-24
EPSS history
Timeline
  • 03 MAR 00:00Z
    Added to CISA KEV — remediate by Mar 24
    kev
  • 16 JUN 20:21Z
    The NSPLookupServiceNext function in the client in Microsoft Forefront Threat Management Gateway (TMG) 2010 allows remote attackers to execute arbitrary code…
    cvelistv5