CVE-2000-1054

CiscoSecure ACS Server <2.4.2 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-1054. PoCs published by blackangels.

AI-analyzed exploit summary This Perl script exploits multiple Cisco vulnerabilities, including CVE-2000-1054 (CiscoSecure ACS for Windows NT DoS). It sends oversized packets to port 2002, causing the service to crash.

Description

Buffer overflow in CSAdmin module in CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a large packet.

Exploits (1)

exploitdb WORKING POC VERIFIED
by blackangels · perlremotewindows
https://www.exploit-db.com/exploits/20235

This Perl script exploits multiple Cisco vulnerabilities, including CVE-2000-1054 (CiscoSecure ACS for Windows NT DoS). It sends oversized packets to port 2002, causing the service to crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: CiscoSecure ACS for Windows NT
No auth needed
Prerequisites: Network access to target · Port 2002 open
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Patch, Vendor Advisory vendor-advisory x_refsource_cisco
http://www.cisco.com/warp/public/707/csecureacsnt-pub.shtml
Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1705
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/5272

Scores

EPSS 0.0839
EPSS Percentile 94.3%

Details

Status published
Products (3)
cisco/secure_access_control_server 2.1
cisco/secure_access_control_server 2.3\(3\)
cisco/secure_access_control_server 2.4\(2\)
Published Dec 11, 2000
Tracked Since Feb 18, 2026