TI-2021-00986 Aliases CVE-2021-1259 GHSA-qc69-r7wf-6p6c

Cisco SD-WAN vManage Software Path Traversal Vulnerability

LOW 33CWE-22Published 2021-01-20 · Updated 2024-11-12

Key facts

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

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

Summary

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct path traversal attacks and obtain write access to sensitive files on an affected system. The vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to an affected system. A successful exploit could allow the attacker to write arbitrary files on the affected system.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01972 80th 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 vManage	all versions	—	No fix listed	CNA

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

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:sd-wan_vmanage::::::::	before 18.2.0	Vulnerable	Cisco

cpe:2.3:a:cisco:sd-wan_vmanage:*:*:*:*:*:*:*:* Versions before 18.2.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-1259
2026-10-03 Alias added: GHSA-qc69-r7wf-6p6c

References

Advisory 1

20210120 Cisco SD-WAN vManage Software Path Traversal Vulnerability

TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
TI-2022-05377 Cisco SD-WAN Software Privilege Escalation Vulnerabilities CVSS 3.1HIGH 7.8
TI-2021-01195 Cisco SD-WAN vManage Software Vulnerabilities CVSS 3.1CRITICAL 9.8
TI-2021-01002 Cisco SD-WAN vManage Software Vulnerabilities CVSS 3.1CRITICAL 9.8
TI-2021-01235 Cisco SD-WAN vManage Software Vulnerabilities CVSS 3.1CRITICAL 9.8
TI-2021-01233 Cisco SD-WAN vManage Software Vulnerabilities CVSS 3.1CRITICAL 9.8

See all 41 →

Sources

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