CVE-2021-1259

MEDIUM

Cisco SD-WAN vManage < 18.2.0 - Authenticated Path Traversal and Arbitrary File Write via HTTP Request

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.0024
EPSS Percentile 47.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (1)
cisco/sd-wan_vmanage < 18.2.0
Published Jan 20, 2021
Tracked Since Feb 18, 2026