Cisco Secure Access Control Server up to 2.4.2 CSAdmin memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Cisco Secure Access Control Server up to 2.4.2. This vulnerability affects unknown code of the component CSAdmin Module. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2000-1054. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Cisco Secure Access Control Server up to 2.4.2 (Network Management Software). Affected is some unknown functionality of the component CSAdmin Module. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 09/21/2000. The weakness was shared 12/11/2000 by window with Cisco (Website). The advisory is available at cisco.com. This vulnerability is traded as CVE-2000-1054. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Perl. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 81 days. During that time the estimated underground price was around $25k-$100k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38048 (CiscoSecure ACS for Windows NT Buffer Overflow Vulnerability).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5272), Exploit-DB (20235), SecurityFocus (BID 1705†), OSVDB (7198†) and Vulnerability Center (SBV-6684†). The entries VDB-503, VDB-15495, VDB-16075 and VDB-16076 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

09/21/2000 🔍
09/21/2000 +0 days 🔍
09/21/2000 +0 days 🔍
12/11/2000 +81 days 🔍
12/11/2000 +0 days 🔍
12/30/2004 +1480 days 🔍
07/01/2014 +3470 days 🔍
10/11/2025 +4120 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Researcher: window
Organization: Cisco
Status: Confirmed

CVE: CVE-2000-1054 (🔍)
GCVE (CVE): GCVE-0-2000-1054
GCVE (VulDB): GCVE-100-16074
X-Force: 5272 - CiscoSecure ACS CSAdmin buffer overflow
SecurityFocus: 1705 - CiscoSecure ACS for Windows NT Buffer Overflow Vulnerability
OSVDB: 7198 - CiscoSecure ACS for Windows NT, Buffer Overflow from Packet at Port 2002
Vulnerability Center: 6684 - [cisco-sa-20000921-secure-acs-nt] DoS in Cisco Secure ACS for Windows NT 2.42 via Buffer Overflow, High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/01/2014 16:16
Updated: 10/11/2025 20:54
Changes: 07/01/2014 16:16 (69), 06/03/2019 07:41 (4), 04/23/2025 02:39 (18), 10/11/2025 20:54 (2)
Complete: 🔍
Cache ID: 216:EE6:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!