TI-2020-02938 Aliases CVE-2020-3387 GHSA-858r-5xm4-gf36

Cisco SD-WAN vManage Software Remote Code Execution Vulnerability

MEDIUM 55CWE-20Published 2020-07-16 · Updated 2024-11-13

Key facts

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

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

Summary

A vulnerability in Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to execute code with root privileges on an affected system. The vulnerability is due to insufficient input sanitization during user authentication processing. An attacker could exploit this vulnerability by sending a crafted response to the Cisco SD-WAN vManage Software. A successful exploit could allow the attacker to access the software and execute commands they should not be authorized to execute.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.1302 96th percentileScored 2026-11-08

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 vManage	all versions	—	No fix listed	CNA

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

CPE configurations NVD · 5

CPE	Versions	Role	Vendor
cpe:2.3:o:cisco:sd-wan_firmware::::::::	up to 18.3.0; 18.4.0 to before 19.2.3; 19.3.0 to before 20.1.1.1	Vulnerable	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 up to 18.3.0; 18.4.0 to before 19.2.3; 19.3.0 to before 20.1.1.1 Vulnerable ·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

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-3387
2026-10-03 Alias added: GHSA-858r-5xm4-gf36

References

Exploit 1

http://packetstormsecurity.com/files/162958/Cisco-SD-WAN-vManage-19.2.2-Remote-Root.html

Advisory 1

20200715 Cisco SD-WAN vManage Software Remote Code Execution Vulnerability

TI-2019-12050 Cisco SD-WAN Solution vManage SQL Injection Vulnerability CVSS 3.1HIGH 8.1
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
TI-2021-01000 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