CVE-2006-0911

Ipswitch WhatsUp Professional 2006 - Denial of Service via Crafted Login.asp Requests

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-0911. PoCs published by Josh Zlatin-Amishav.

AI-analyzed exploit summary The exploit demonstrates a denial-of-service vulnerability in Ipswitch WhatsUp Professional 2006 by sending malformed HTTP GET requests to the Login.asp page, causing excessive CPU consumption. The provided script automates the attack using a loop with wget.

Description

NmService.exe in Ipswitch WhatsUp Professional 2006 allows remote attackers to cause a denial of service (CPU consumption) via crafted requests to Login.asp, possibly involving the (1) "In]" and (2) "b;tnLogIn" parameters, or (3) malformed btnLogIn parameters, possibly involving missing "[" (open bracket) or "[" (closing bracket) characters, as demonstrated by "&btnLogIn=[Log&In]=&" or "&b;tnLogIn=[Log&In]=&" in the URL. NOTE: due to the lack of diagnosis by the original researcher, the precise nature of the vulnerability is unclear.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Josh Zlatin-Amishav · textdosasp
https://www.exploit-db.com/exploits/27258

The exploit demonstrates a denial-of-service vulnerability in Ipswitch WhatsUp Professional 2006 by sending malformed HTTP GET requests to the Login.asp page, causing excessive CPU consumption. The provided script automates the attack using a loop with wget.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Ipswitch WhatsUp Professional 2006
No auth needed
Prerequisites: Network access to the target server · Target running Ipswitch WhatsUp Professional 2006
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/0704
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/16771
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/472
Exploit, Vendor Advisory x_refsource_misc
http://zur.homelinux.com/Advisories/ipswitch_dos.txt
Exploit vdb-entry x_refsource_osvdb
http://www.osvdb.org/23494
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/425780/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/24864

Scores

EPSS 0.1591
EPSS Percentile 96.5%

Details

CWE
CWE-399
Status published
Products (1)
ipswitch/whatsup professional_2006
Published Feb 28, 2006
Tracked Since Feb 18, 2026