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 user account is configured with a blank password, allows remote attackers to gain unauthorized access by logging in…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 3.14% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- cisco/optical networking systems software
- Source
- cve@mitre.org
EPSS 3.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://secunia.com/advisories/12117
- http://www.cisco.com/warp/public/707/cisco-sa-20040721-ons.shtmlVendor Advisory
- http://www.kb.cert.org/vuls/id/760432Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/10768
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16766
- http://secunia.com/advisories/12117
- http://www.cisco.com/warp/public/707/cisco-sa-20040721-ons.shtmlVendor Advisory
- http://www.kb.cert.org/vuls/id/760432Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/10768
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16766
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.