TI-2020-02824 Aliases CVE-2020-3264 GHSA-q7p4-5vmg-rr2r

Cisco SD-WAN Solution Buffer Overflow Vulnerability

LOW 34CWE-119Published 2020-03-19 · Updated 2024-11-15

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A vulnerability in Cisco SD-WAN Solution software could allow an authenticated, local attacker to cause a buffer overflow on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to gain access to information that they are not authorized to access and make changes to the system that they are not authorized to make.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00727 54th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

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: Total

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 Solution	all versions	—	No fix listed	CNA

Cisco SD-WAN Solution VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 17

CPE	Versions	Role	Vendor
cpe:2.3:o:cisco:sd-wan_firmware::::::::	before 18.4.5; 19.2.0 to before 19.2.2	Vulnerable	Cisco
cpe:2.3:o:cisco:sd-wan_firmware:20.1.0:::::::*	20.1.0	Vulnerable	Cisco
cpe:2.3:o:cisco:sd-wan_firmware:20.3.0:::::::*	20.3.0	Vulnerable	Cisco
cpe:2.3:a:cisco:vedge_cloud_router:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:a:cisco:vmanage_network_management_system:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:a:cisco:vsmart_controller:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:1100-4g_integrated_services_router:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:1100-4gltegb_integrated_services_router:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:1100-4gltena_integrated_services_router:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:1100-6g_integrated_services_router:-:::::::*	not specified by NVD	Running on	Cisco

cpe:2.3:o:cisco:sd-wan_firmware:*:*:*:*:*:*:*:* Versions before 18.4.5; 19.2.0 to before 19.2.2 Vulnerable ·Cisco
cpe:2.3:o:cisco:sd-wan_firmware:20.1.0:*:*:*:*:*:*:* Versions 20.1.0 Vulnerable ·Cisco
cpe:2.3:o:cisco:sd-wan_firmware:20.3.0:*:*:*:*:*:*:* Versions 20.3.0 Vulnerable ·Cisco
cpe:2.3:a:cisco:vedge_cloud_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:a:cisco:vmanage_network_management_system:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:a:cisco:vsmart_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:1100-4g_integrated_services_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:1100-4gltegb_integrated_services_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:1100-4gltena_integrated_services_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:1100-6g_integrated_services_router:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco

Show 7 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:h:cisco:vedge_100:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:vedge_1000:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:vedge_100b:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:vedge_100m:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:vedge_100wm:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:vedge_2000:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:vedge_5000:-:::::::*	not specified by NVD	Running on	Cisco

cpe:2.3:h:cisco:vedge_100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:vedge_1000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:vedge_100b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:vedge_100m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:vedge_100wm:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:vedge_2000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:vedge_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-2020-3264
2026-10-03 Alias added: GHSA-q7p4-5vmg-rr2r

References

Exploit 1

https://github.com/orangecertcc/security-research/security/advisories/GHSA-wwq2-pxrj-v62r

Advisory 1

20200318 Cisco SD-WAN Solution Buffer Overflow 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