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CVE-2004-1436
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…
High7.5EPSS 3.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 3.1% · top 12% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (5)
- 20040721 Cisco ONS 15327, ONS 15454, ONS 15454 SDH, and ONS 15600 Malformed Packet Vulnerabilities (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- 12117 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 10768 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- VU#760432 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- cisco-ons-tl1-auth-bypass(16766) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2004-1436)Record last updated .