CVE-2000-1056
CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to bypass LDAP authentication...
CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to bypass LDAP authentication on the server if the LDAP server allows null passwords.
Exploit likelihood
What each source reports
NVD Score used
CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to bypass LDAP authentication on the server if the LDAP server allows null passwords.
- Record
CVE-2000-1056- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to bypass LDAP authentication on the server if the LDAP server allows null passwords.
- Record
CVE-2000-1056- Updated
- 2026-11-02
EUVDEUVD-2000-1043 No score
CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to bypass LDAP authentication on the server if the LDAP server allows null passwords.
- Record
EUVD-2000-1043- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5rvg-rpvg-3vmc No score
CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to bypass LDAP authentication...
CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to bypass LDAP authentication on the server if the LDAP server allows null passwords.
- Record
GHSA-5rvg-rpvg-3vmc- 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-2000-1056 is a high vulnerability (CVSS 7.5) 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 1.69%, the 77th percentile. No source names a fixed version.