TI-2020-02936 Aliases CVE-2020-3385 GHSA-5975-gjm3-px87

Cisco SD-WAN vEdge Routers Denial of Service Vulnerability

LOW 29CWE-371Published 2020-07-16 · Updated 2024-11-15

Key facts

Attack vector: Adjacent network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A vulnerability in the deep packet inspection (DPI) engine of Cisco SD-WAN vEdge Routers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected system. The vulnerability is due to insufficient handling of malformed packets. An attacker could exploit this vulnerability by sending crafted packets through an affected device. A successful exploit could allow the attacker to cause the device to reboot, resulting in a DoS condition.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00526 44th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

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 · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:cisco:sd-wan_firmware::::::::	up to 18.3.0; 18.4.0 to before 18.4.5; 19.2.0 to before 19.2.3; 19.3.0 to before 20.1.1	Vulnerable	Cisco
cpe:2.3:h:cisco:vedge_5000:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:a:cisco:vedge_cloud_router:-:::::::*	not specified by NVD	Vulnerable	Cisco

cpe:2.3:o:cisco:sd-wan_firmware:*:*:*:*:*:*:*:* Versions up to 18.3.0; 18.4.0 to before 18.4.5; 19.2.0 to before 19.2.3; 19.3.0 to before 20.1.1 Vulnerable ·Cisco
cpe:2.3:h:cisco:vedge_5000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:a:cisco:vedge_cloud_router:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-3385
2026-10-03 Alias added: GHSA-5975-gjm3-px87

References

Advisory 1

20200715 Cisco SD-WAN vEdge Routers Denial of Service Vulnerability

TI-2019-12050 Cisco SD-WAN Solution vManage SQL Injection Vulnerability CVSS 3.1HIGH 8.1
TI-2020-02938 Cisco SD-WAN vManage Software Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
TI-2021-01028 Cisco SD-WAN Buffer Overflow Vulnerabilities CVSS 3.1CRITICAL 9.8
TI-2021-01027 Cisco SD-WAN Buffer Overflow Vulnerabilities CVSS 3.1CRITICAL 9.8
TI-2021-01005 Cisco SD-WAN Denial of Service Vulnerabilities CVSS 3.1HIGH 8.6
TI-2021-01001 Cisco SD-WAN Denial of Service Vulnerabilities CVSS 3.1HIGH 8.6

See all 40 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences