Resource management flaw in Cisco Aggregation Services Router 5000 Series Switch
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
A vulnerability in IPv6 packet fragment reassembly of StarOS for Cisco Aggregation Services Router (ASR) 5000 Series Switch could allow an unauthenticated, remote attacker to cause an unexpected reload of the Network Processing Unit (NPU) process. More Information: CSCva84552. Known Affected Releases: 20.0.0 21.0.0 21.0.M0.64702. Known Fixed Releases: 21.0.0 21.0.0.65256 21.0.M0.64970 21.0.V0.65150 21.1.A0.64973 21.1.PP0.65270 21.1.R0.65130 21.1.R0.65135 21.1.VC0.65203.
Why it matters now
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 |
|---|---|---|---|---|---|
| — | Cisco Aggregation Services Router (ASR) 5000 Series Switch | Cisco Aggregation Services Router (ASR) 5000 Series Switch | — | No fix listed | CNA |
- Cisco Aggregation Services Router (ASR) 5000 Series Switch Vendor— Affected Cisco Aggregation Services Router (ASR) 5000 Series Switch Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:asr_5000_series_software:20.0.0:*:*:*:*:*:*:* | 20.0.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:asr_5000_series_software:21.0.0:*:*:*:*:*:*:* | 21.0.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:asr_5000_series_software:21.0.m0.64702:*:*:*:*:*:*:* | 21.0.m0.64702 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:asr_5000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
- cpe:2.3:a:cisco:asr_5000_series_software:20.0.0:*:*:*:*:*:*:* Versions 20.0.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:asr_5000_series_software:21.0.0:*:*:*:*:*:*:* Versions 21.0.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:asr_5000_series_software:21.0.m0.64702:*:*:*:*:*:*:* Versions 21.0.m0.64702 Vulnerable ·Cisco
- cpe:2.3:h:cisco:asr_5000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-6467
- 2026-10-03 Alias added: GHSA-3m3c-3279-wprv
References
More Cisco Asr 5000 Series Software vulnerabilities
- TI-2017-02916 Access control flaw in Cisco StarOS CVSS 3.0HIGH 8.8
- TI-2017-04371 Memory corruption in Cisco ASR 5000 Series Aggregation Services Routers CVSS 3.0HIGH 8.6
- TI-2016-07532 Memory corruption in Cisco ASR 5000 CVSS 3.0HIGH 7.5
- TI-2016-01226 The SSH implementation in Cisco StarOS before 19.3.M0.62771 and 20.x before 20.0.M0.62768… CVSS 3.0HIGH 7.5
- TI-2016-05547 Resource management flaw in Cisco StarOS 20.0.0 through 21.0.M0.64246 CVSS 3.0HIGH 7.5
- TI-2017-04430 Incorrect authorization in Cisco ASR 5000 Series Aggregation Services Routers CVSS 3.0HIGH 7.5
Sources
- CVE-2016-6467 · CVE Program
- CVE-2016-6467 · NVD
- FIRST EPSS
- GHSA-3m3c-3279-wprv · 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