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Cisco IOx Application Environment Path Traversal Vulnerability

cisco-sa-iox-pt-hWGcPf7g · Medium · Published · Updated

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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iox-pt-hWGcPf7g

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

Cisco recommends that customers who do not want to use the Cisco IOx application hosting environment can mitigate this vulnerability by disabling IOx permanently on the device by using the no iox configuration command.

While this mitigation has been deployed and was proven successful in a test environment, customers should determine the applicability and effectiveness in their own environment and under their own use conditions. Customers should be aware that any workaround or mitigation that is implemented may negatively impact the functionality or performance of their network based on intrinsic customer deployment scenarios and limitations. Customers should not deploy any workarounds or mitigations before first evaluating the applicability to their own environment and any impact to such environment.

CVEsCVE-2021-1385
Cisco Bug IDsCSCvx21776, CSCvw64810, CSCvx21783
CVSS ScoreBase 6.5
Base 6.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:X/RL:X/RC:X
Product Names From Source
Cisco CGR1000 Compute Module, Cisco IOS 15.8(3)M3, Cisco IOS 15.8(3)M2a, 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)M3, Cisco IOS 15.9(3)M2a, Cisco IOS XE Software 16.11.1, Cisco IOS XE Software 16.11.1a, Cisco IOS XE Software 16.11.1b, Cisco IOS XE Software 16.11.2, Cisco IOS XE Software 16.11.1s, Cisco IOS XE Software 16.11.1c, Cisco IOS XE Software 16.12.1, Cisco IOS XE Software 16.12.1s, Cisco IOS XE Software 16.12.1a, Cisco IOS XE Software 16.12.1c, Cisco IOS XE Software 16.12.1w, Cisco IOS XE Software 16.12.2, Cisco IOS XE Software 16.12.1y, Cisco IOS XE Software 16.12.2a, Cisco IOS XE Software 16.12.3, Cisco IOS XE Software 16.12.2s, Cisco IOS XE Software 16.12.1x, Cisco IOS XE Software 16.12.1t, Cisco IOS XE Software 16.12.2t, Cisco IOS XE Software 16.12.4, Cisco IOS XE Software 16.12.3s, Cisco IOS XE Software 16.12.1z, Cisco IOS XE Software 16.12.3a, Cisco IOS XE Software 16.12.4a, Cisco IOS XE Software 16.12.5, Cisco IOS XE Software 16.12.1z1, Cisco IOS XE Software 16.12.1z2, Cisco IOS XE Software 17.1.1, Cisco IOS XE Software 17.1.1a, Cisco IOS XE Software 17.1.1s, Cisco IOS XE Software 17.1.2, Cisco IOS XE Software 17.1.1t, Cisco IOS XE Software 17.1.3, Cisco IOS XE Software 17.2.1, Cisco IOS XE Software 17.2.1r, Cisco IOS XE Software 17.2.1a, Cisco IOS XE Software 17.2.1v, Cisco IOS XE Software 17.2.2, Cisco IOS XE Software 17.3.1, Cisco IOS XE Software 17.3.2, Cisco IOS XE Software 17.3.1a, Cisco IOS XE Software 17.3.1w, Cisco IOS XE Software 17.3.2a, Cisco IOS XE Software 17.3.1x, Cisco IOS XE Software 17.4.1, Cisco IOS XE Software 17.4.1a, Cisco IOS XE Software 17.4.1b, Cisco IOS XE Software 17.4.1c, Cisco IOS XE Software 17.11.99SW, Cisco IOS XE Software

CSAF Product Statuses

Product Status Source CVE Rows
15.8(3)M2a known_affected cisco_csaf CVE-2021-1385 1
15.8(3)M3 known_affected cisco_csaf CVE-2021-1385 1
15.8(3)M4 known_affected cisco_csaf CVE-2021-1385 1
15.8(3)M5 known_affected cisco_csaf CVE-2021-1385 1
15.8(3)M6 known_affected cisco_csaf CVE-2021-1385 1
15.9(3)M known_affected cisco_csaf CVE-2021-1385 1
15.9(3)M1 known_affected cisco_csaf CVE-2021-1385 1
15.9(3)M2 known_affected cisco_csaf CVE-2021-1385 1
15.9(3)M2a known_affected cisco_csaf CVE-2021-1385 1
15.9(3)M3 known_affected cisco_csaf CVE-2021-1385 1
16.11.1 known_affected cisco_csaf CVE-2021-1385 1
16.11.1a known_affected cisco_csaf CVE-2021-1385 1

Showing 12 of 60 CSAF status groups; 48 more not shown.

Related Products

Product CVE Evidence
Cisco Catalyst 9300 Series Switches CVE-2021-1385 Cisco OpenVuln · software-dependent
Cisco CGR1000 Compute Module CVE-2021-1385 Cisco OpenVuln
Cisco IOS XE Software CVE-2021-1385 Cisco OpenVuln
Cisco IOx CVE-2021-1385 Cisco OpenVuln
Cisco IOS CVE-2021-1385 Cisco OpenVuln
Cisco Catalyst 9200 Series Switches CVE-2021-1385 Cisco OpenVuln · software-dependent
Cisco Catalyst 9400 Series Switches CVE-2021-1385 Cisco OpenVuln · software-dependent
Cisco Catalyst 9500 Series Switches CVE-2021-1385 Cisco OpenVuln · software-dependent
Cisco Catalyst 9600 Series Switches CVE-2021-1385 Cisco OpenVuln · software-dependent
Cisco 1000 Series Connected Grid Routers CVE-2021-1385 Cisco OpenVuln
Cisco IOS Software CVE-2021-1385 Cisco OpenVuln