Memory corruption in Cisco ASR 5000
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-119 and the CVSS impact.
Summary
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco ASR 5000 Series Software could allow an unauthenticated, remote attacker to cause a reload of the ipsecmgr process. More Information: CSCvb38398. Known Affected Releases: 20.2.3 20.2.3.65026. Known Fixed Releases: 21.1.M0.65431 21.1.PP0.65733 21.1.R0.65467 21.1.R0.65496 21.1.VC0.65434 21.1.VC0.65489 21.2.A0.65437.
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 ASR 5000 | Cisco ASR 5000 | — | No fix listed | CNA |
- Cisco ASR 5000 Vendor— Affected Cisco ASR 5000 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-9203
- 2026-10-03 Alias added: GHSA-53x7-9h7x-57wx
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-2016-05548 Resource management flaw in Cisco Aggregation Services Router 5000 Series Switch 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-2016-9203 · CVE Program
- CVE-2016-9203 · NVD
- FIRST EPSS
- GHSA-53x7-9h7x-57wx · 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