CVE Catalog

CVE-2004-1436

High
Published: Translated: NVD NIST

Summary

The Transaction Language 1 (TL1) login interface in Cisco ONS 15327 versions 4.6(0) and 4.6(1) and 15454 and 15454 SDH versions 4.6(0) and 4.6(1) allows remote attackers to gain unauthorized access. The vulnerability occurs when a user account is configured with a blank password and the attacker logs in with a password longer than 10 characters.

Risk Assessment

The risk involves the possibility of an unauthorized attacker gaining full access to the network device, which could lead to compromise of network confidentiality, integrity, and availability.

Recommendation

It is recommended to immediately configure non-blank passwords for all user accounts and upgrade the software to a version that is not affected by this vulnerability.

Related vulnerabilities

Original NVD description (English source)

The Transaction Language 1 (TL1) login interface in Cisco ONS 15327 4.6(0) and 4.6(1) and 15454 and 15454 SDH 4.6(0) and 4.6(1), when a user account is configured with a blank password, allows remote attackers to gain unauthorized access by logging in with a password larger than 10 characters.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS