Cisco SD-WAN vEdge Routers Denial of Service Vulnerability
Key facts
- Attack vector
- Local
- Privileges required
- Low
- 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 3.1 · NVD. Fix status from CNA. Impact type from CWE-789.
Summary
A vulnerability in the NETCONF process of Cisco SD-WAN vEdge Routers could allow an authenticated, local attacker to cause an affected device to run out of memory, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient memory management when an affected device receives large amounts of traffic. An attacker could exploit this vulnerability by sending malicious traffic to an affected device. A successful exploit could allow the attacker to cause the device to crash, resulting in a DoS condition.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | Cisco SD-WAN vEdge router | all versions | — | No fix listed | CNA |
- Cisco SD-WAN vEdge router VendorCisco Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:sd-wan_vedge_router:*:*:*:*:*:*:*:* | up to 20.6 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:sd-wan_vedge_router:20.7:*:*:*:*:*:*:* | 20.7 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:1100_integrated_services_router:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:h:citrix:sd-wan_1000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Citrix |
| cpe:2.3:h:citrix:sd-wan_110:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Citrix |
| cpe:2.3:h:citrix:sd-wan_1100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Citrix |
| cpe:2.3:h:citrix:sd-wan_2000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Citrix |
| cpe:2.3:h:citrix:sd-wan_210:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Citrix |
| cpe:2.3:h:citrix:sd-wan_2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Citrix |
| cpe:2.3:h:citrix:sd-wan_5100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Citrix |
- cpe:2.3:a:cisco:sd-wan_vedge_router:*:*:*:*:*:*:*:* Versions up to 20.6 Vulnerable ·Cisco
- cpe:2.3:a:cisco:sd-wan_vedge_router:20.7:*:*:*:*:*:*:* Versions 20.7 Vulnerable ·Cisco
- cpe:2.3:h:cisco:1100_integrated_services_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:h:citrix:sd-wan_1000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Citrix
- cpe:2.3:h:citrix:sd-wan_110:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Citrix
- cpe:2.3:h:citrix:sd-wan_1100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Citrix
- cpe:2.3:h:citrix:sd-wan_2000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Citrix
- cpe:2.3:h:citrix:sd-wan_210:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Citrix
- cpe:2.3:h:citrix:sd-wan_2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Citrix
- cpe:2.3:h:citrix:sd-wan_5100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Citrix
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-20717
- 2026-10-03 Alias added: GHSA-g8c4-6cm2-mvxv
References
More Cisco Sd-wan Vedge Router vulnerabilities
- TI-2022-05275 Cisco SD-WAN Solution Improper Access Control Vulnerability CVSS 3.1HIGH 7.8
Sources
- CVE-2022-20717 · CVE Program
- CVE-2022-20717 · NVD
- FIRST EPSS
- GHSA-g8c4-6cm2-mvxv · 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