CVE-2000-1055
Buffer overflow in CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to cause a...
Buffer overflow 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 TACACS+ packet.
Exploit likelihood
What each source reports
NVD Score used
Buffer overflow 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 TACACS+ packet.
- Record
CVE-2000-1055- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
Buffer overflow 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 TACACS+ packet.
- Record
CVE-2000-1055- Updated
- 2026-11-02
EUVDEUVD-2000-1042 No score
Buffer overflow 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 TACACS+ packet.
- Record
EUVD-2000-1042- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5r9w-3f6v-8849 No score
Buffer overflow in CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to cause a...
Buffer overflow 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 TACACS+ packet.
- Record
GHSA-5r9w-3f6v-8849- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2000-1055 is a high vulnerability (CVSS 10.0) in Cisco Secure Access Control Server, published December 11, 2000. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.00%, the 90th percentile. No source names a fixed version.