CVE-2021-1385

MEDIUM

Cisco IOS and IOS XE - Authenticated Path Traversal via IOx API URI

Title source: llm
STIX 2.1

Description

A vulnerability in the Cisco IOx application hosting environment of multiple Cisco platforms could allow an authenticated, remote attacker to conduct directory traversal attacks and read and write files on the underlying operating system or host system. This vulnerability occurs because the device does not properly validate URIs in IOx API requests. An attacker could exploit this vulnerability by sending a crafted API request that contains directory traversal character sequences to an affected device. A successful exploit could allow the attacker to read or write arbitrary files on the underlying operating system.

References (2)

Core 2

Scores

CVSS v3 6.5
EPSS 0.0023
EPSS Percentile 45.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-22
Status published
Products (50)
cisco/ios 15.8\(3\)m2a
cisco/ios 15.8\(3\)m3
cisco/ios 15.8\(3\)m4
cisco/ios 15.8\(3\)m5
cisco/ios 15.8\(3\)m6
cisco/ios 15.9\(3\)m
cisco/ios 15.9\(3\)m1
cisco/ios 15.9\(3\)m2
cisco/ios 15.9\(3\)m2a
cisco/ios 15.9\(3\)m3
... and 40 more
Published Mar 24, 2021
Tracked Since Feb 18, 2026