Cisco ONS 15327 before 4.1(3), ONS 15454 before 4.6(1), and ONS 15454 SD before 4.1(3)…
Priority LOW 26Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Cisco ONS 15327 before 4.1(3), ONS 15454 before 4.6(1), and ONS 15454 SD before 4.1(3) allows remote attackers to cause a denial of service (reset) by not sending the ACK portion of the TCP three-way handshake and sending an invalid response instead.
Why it matters now
EPSS 0.01634 76th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:optical_networking_systems_software:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:optical_networking_systems_software:4.0\(1\):*:*:*:*:*:*:* | 4.0(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:optical_networking_systems_software:4.0\(2\):*:*:*:*:*:*:* | 4.0(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:optical_networking_systems_software:4.0.0:*:*:*:*:*:*:* | 4.0.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:optical_networking_systems_software:4.1\(0\):*:*:*:*:*:*:* | 4.1(0) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:optical_networking_systems_software:4.1\(1\):*:*:*:*:*:*:* | 4.1(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:optical_networking_systems_software:4.1\(2\):*:*:*:*:*:*:* | 4.1(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:optical_networking_systems_software:4.1\(3\):*:*:*:*:*:*:* | 4.1(3) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:optical_networking_systems_software:4.1.0:*:*:*:*:*:*:* | 4.1.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:optical_networking_systems_software:4.5:*:*:*:*:*:*:* | 4.5 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:optical_networking_systems_software:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:optical_networking_systems_software:4.0\(1\):*:*:*:*:*:*:* Versions 4.0(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:optical_networking_systems_software:4.0\(2\):*:*:*:*:*:*:* Versions 4.0(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:optical_networking_systems_software:4.0.0:*:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:optical_networking_systems_software:4.1\(0\):*:*:*:*:*:*:* Versions 4.1(0) Vulnerable ·Cisco
- cpe:2.3:a:cisco:optical_networking_systems_software:4.1\(1\):*:*:*:*:*:*:* Versions 4.1(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:optical_networking_systems_software:4.1\(2\):*:*:*:*:*:*:* Versions 4.1(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:optical_networking_systems_software:4.1\(3\):*:*:*:*:*:*:* Versions 4.1(3) Vulnerable ·Cisco
- cpe:2.3:a:cisco:optical_networking_systems_software:4.1.0:*:*:*:*:*:*:* Versions 4.1.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:optical_networking_systems_software:4.5:*:*:*:*:*:*:* Versions 4.5 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0307
- 2026-10-03 Alias added: GHSA-793j-ggmw-r33w
References
More Cisco Optical Networking Systems Software vulnerabilities
- TI-2003-00533 Cisco IOS 11.x and 12.0 through 12.2 allows remote attackers to cause a denial of service… CVSS 2.0HIGH 7.8
- TI-2002-01480 Cisco ONS15454 and ONS15327 running ONS before 3.4 have an account for the VxWorks… CVSS 2.0HIGH 10.0
- TI-2004-00277 Unknown vulnerability in Cisco ONS 15327 before 4.1(3), ONS 15454 before 4.6(1), ONS… CVSS 2.0HIGH 10.0
- TI-2006-01618 The installation of Cisco Transport Controller (CTC) for Cisco Optical Networking System… CVSS 2.0HIGH 7.5
- TI-2004-01313 The Transaction Language 1 (TL1) login interface in Cisco ONS 15327 4.6(0) and 4.6(1) and… CVSS 2.0HIGH 7.5
- TI-2006-01616 Control cards for Cisco Optical Networking System (ONS) 15000 series nodes before… CVSS 2.0HIGH 7.8
Sources
- CVE-2004-0307 · CVE Program
- CVE-2004-0307 · NVD
- FIRST EPSS
- GHSA-793j-ggmw-r33w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences