CVE-2023-20066

Cisco IOS XE Software Web UI Path Traversal Vulnerability

MEDIUM
6.5
CVSS Score
Published: March 23, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:29 AM UTC
271 products affected across 1 vendorIOS XeAsr 1002-xAsr 1006

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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to perform a directory traversal and access resources that are outside the filesystem mountpoint of the web UI. This vulnerability is due to an insufficient security configuration. An attacker could exploit this vulnerability by sending a crafted request to the web UI. A successful exploit could allow the attacker to gain read access to files that are outside the filesystem mountpoint of the web UI. Note: These files are located on a restricted filesystem that is maintained for the web UI. There is no ability to write to any files on this filesystem.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

cisco-1000-integrated-services-router (environment) · cisco-1100-4g-integrated-services-router (environment) · cisco-1100-4p-integrated-services-router (environment) · cisco-1100-6g-integrated-services-router (environment) · cisco-1100-8p-integrated-services-router (environment) · cisco-1100-integrated-services-router (environment) · cisco-1101-4p-integrated-services-router (environment) · cisco-1101-integrated-services-router (environment) · cisco-1109-2p-integrated-services-router (environment) · cisco-1109-4p-integrated-services-router (environment) · cisco-1109-integrated-services-router (environment) · cisco-1111x-8p-integrated-services-router (environment) · cisco-1111x-integrated-services-router (environment) · cisco-111x-integrated-services-router (environment) · cisco-1120-integrated-services-router (environment) · cisco-1131-integrated-services-router (environment) · cisco-1160-integrated-services-router (environment) · cisco-4000-integrated-services-router (environment) · cisco-4221-integrated-services-router (environment) · cisco-4321-integrated-services-router (environment) · cisco-4331-integrated-services-router (environment) · cisco-4351-integrated-services-router (environment) · cisco-4431-integrated-services-router (environment) · cisco-4451-integrated-services-router (environment) · cisco-4451-x-integrated-services-router (environment) · cisco-4461-integrated-services-router (environment) · cisco-8101-32fh (environment) · cisco-8101-32h (environment) · cisco-8102-64h (environment) · cisco-8201 (environment) · cisco-8201-32fh (environment) · cisco-8202 (environment) · cisco-8800-12-slot (environment) · cisco-8800-18-slot (environment) · cisco-8800-4-slot (environment) · cisco-8800-8-slot (environment) · cisco-8804 (environment) · cisco-8808 (environment) · cisco-8812 (environment) · cisco-8818 (environment) · cisco-8831 (environment) · cisco-9800-40 (environment) · cisco-9800-80 (environment) · cisco-9800-cl (environment) · cisco-9800-l (environment) · cisco-asr-1000 (environment) · cisco-asr-1000-esp100 (environment) · cisco-asr-1000-esp100-x (environment) · cisco-asr-1000-esp200-x (environment) · cisco-asr-1001 (environment) · cisco-asr-1001-hx (environment) · cisco-asr-1001-hx-r (environment) · cisco-asr-1001-x (environment) · cisco-asr-1001-x-r (environment) · cisco-asr-1002 (environment) · cisco-asr-1002-hx (environment) · cisco-asr-1002-hx-r (environment) · cisco-asr-1002-x (environment) · cisco-asr-1002-x-r (environment) · cisco-asr-1004 (environment) · cisco-asr-1006 (environment) · cisco-asr-1006-x (environment) · cisco-asr-1009-x (environment) · cisco-asr-1013 (environment) · cisco-asr-1023 (environment) · cisco-asr-900 (environment) · cisco-asr-9000 (environment) · cisco-asr-9000v (environment) · cisco-asr-9001 (environment) · cisco-asr-9006 (environment) · cisco-asr-901-12c-f-d (environment) · cisco-asr-901-12c-ft-d (environment) · cisco-asr-901-4c-f-d (environment) · cisco-asr-901-4c-ft-d (environment) · cisco-asr-901-6cz-f-a (environment) · cisco-asr-901-6cz-f-d (environment) · cisco-asr-901-6cz-fs-a (environment) · cisco-asr-901-6cz-fs-d (environment) · cisco-asr-901-6cz-ft-a (environment) · cisco-asr-901-6cz-ft-d (environment) · cisco-asr-9010 (environment) · cisco-asr-901s-2sg-f-ah (environment) · cisco-asr-901s-2sg-f-d (environment) · cisco-asr-901s-3sg-f-ah (environment) · cisco-asr-901s-3sg-f-d (environment) · cisco-asr-901s-4sg-f-d (environment) · cisco-asr-902 (environment) · cisco-asr-902u (environment) · cisco-asr-903 (environment) · cisco-asr-907 (environment) · cisco-asr-914 (environment) · cisco-asr-920-10sz-pd (environment) · cisco-asr-920-10sz-pd-r (environment) · cisco-asr-920-12cz-a (environment) · cisco-asr-920-12cz-a-r (environment) · cisco-asr-920-12cz-d (environment) · cisco-asr-920-12cz-d-r (environment) · cisco-asr-920-12sz-im (environment) · cisco-asr-920-12sz-im-r (environment) · cisco-asr-920-24sz-im (environment) · cisco-asr-920-24sz-im-r (environment) · cisco-asr-920-24sz-m (environment) · cisco-asr-920-24sz-m-r (environment) · cisco-asr-920-24tz-m (environment) · cisco-asr-920-24tz-m-r (environment) · cisco-asr-920-4sz-a (environment) · cisco-asr-920-4sz-a-r (environment) · cisco-asr-920-4sz-d (environment) · cisco-asr-920-4sz-d-r (environment) · cisco-asr-920u-12sz-im (environment) · cisco-asr-9901 (environment) · cisco-asr-9902 (environment) · cisco-asr-9903 (environment) · cisco-asr-9904 (environment) · cisco-asr-9906 (environment) · cisco-asr-9910 (environment) · cisco-asr-9912 (environment) · cisco-asr-9920 (environment) · cisco-asr-9922 (environment) · cisco-catalyst-3850 (environment) · cisco-catalyst-3850-12s-e (environment) · cisco-catalyst-3850-12s-s (environment) · cisco-catalyst-3850-12x48u (environment) · cisco-catalyst-3850-12xs-e (environment) · cisco-catalyst-3850-12xs-s (environment) · cisco-catalyst-3850-16xs-e (environment) · cisco-catalyst-3850-16xs-s (environment) · cisco-catalyst-3850-24p-e (environment) · cisco-catalyst-3850-24p-l (environment) · cisco-catalyst-3850-24p-s (environment) · cisco-catalyst-3850-24pw-s (environment) · cisco-catalyst-3850-24s-e (environment) · cisco-catalyst-3850-24s-s (environment) · cisco-catalyst-3850-24t-e (environment) · cisco-catalyst-3850-24t-l (environment) · cisco-catalyst-3850-24t-s (environment) · cisco-catalyst-3850-24u (environment) · cisco-catalyst-3850-24u-e (environment) · cisco-catalyst-3850-24u-l (environment) · cisco-catalyst-3850-24u-s (environment) · cisco-catalyst-3850-24xs (environment) · cisco-catalyst-3850-24xs-e (environment) · cisco-catalyst-3850-24xs-s (environment) · cisco-catalyst-3850-24xu (environment) · cisco-catalyst-3850-24xu-e (environment) · cisco-catalyst-3850-24xu-l (environment) · cisco-catalyst-3850-24xu-s (environment) · cisco-catalyst-3850-32xs-e (environment) · cisco-catalyst-3850-32xs-s (environment) · cisco-catalyst-3850-48f-e (environment) · cisco-catalyst-3850-48f-l (environment) · cisco-catalyst-3850-48f-s (environment) · cisco-catalyst-3850-48p-e (environment) · cisco-catalyst-3850-48p-l (environment) · cisco-catalyst-3850-48p-s (environment) · cisco-catalyst-3850-48pw-s (environment) · cisco-catalyst-3850-48t-e (environment) · cisco-catalyst-3850-48t-l (environment) · cisco-catalyst-3850-48t-s (environment) · cisco-catalyst-3850-48u (environment) · cisco-catalyst-3850-48u-e (environment) · cisco-catalyst-3850-48u-l (environment) · cisco-catalyst-3850-48u-s (environment) · cisco-catalyst-3850-48xs (environment) · cisco-catalyst-3850-48xs-e (environment) · cisco-catalyst-3850-48xs-f-e (environment) · cisco-catalyst-3850-48xs-f-s (environment) · cisco-catalyst-3850-48xs-s (environment) · cisco-catalyst-3850-nm-2-40g (environment) · cisco-catalyst-3850-nm-8-10g (environment) · cisco-catalyst-8200 (environment) · cisco-catalyst-8300 (environment) · cisco-catalyst-8300-1n1s-4t2x (environment) · cisco-catalyst-8300-1n1s-6t (environment) · cisco-catalyst-8300-2n2s-4t2x (environment) · cisco-catalyst-8300-2n2s-6t (environment) · cisco-catalyst-8500 (environment) · cisco-catalyst-8500-4qc (environment) · cisco-catalyst-8500l (environment) · cisco-catalyst-8510csr (environment) · cisco-catalyst-8510msr (environment) · cisco-catalyst-8540csr (environment) · cisco-catalyst-8540msr (environment) · cisco-catalyst-9200 (environment) · cisco-catalyst-9200cx (environment) · cisco-catalyst-9200l (environment) · cisco-catalyst-9300 (environment) · cisco-catalyst-9300-24p-a (environment) · cisco-catalyst-9300-24p-e (environment) · cisco-catalyst-9300-24s-a (environment) · cisco-catalyst-9300-24s-e (environment) · cisco-catalyst-9300-24t-a (environment) · cisco-catalyst-9300-24t-e (environment) · cisco-catalyst-9300-24u-a (environment) · cisco-catalyst-9300-24u-e (environment) · cisco-catalyst-9300-24ux-a (environment) · cisco-catalyst-9300-24ux-e (environment) · cisco-catalyst-9300-48p-a (environment) · cisco-catalyst-9300-48p-e (environment) · cisco-catalyst-9300-48s-a (environment) · cisco-catalyst-9300-48s-e (environment) · cisco-catalyst-9300-48t-a (environment) · cisco-catalyst-9300-48t-e (environment) · cisco-catalyst-9300-48u-a (environment) · cisco-catalyst-9300-48u-e (environment) · cisco-catalyst-9300-48un-a (environment) · cisco-catalyst-9300-48un-e (environment) · cisco-catalyst-9300-48uxm-a (environment) · cisco-catalyst-9300-48uxm-e (environment) · cisco-catalyst-9300l (environment) · cisco-catalyst-9300l-24p-4g-a (environment) · cisco-catalyst-9300l-24p-4g-e (environment) · cisco-catalyst-9300l-24p-4x-a (environment) · cisco-catalyst-9300l-24p-4x-e (environment) · cisco-catalyst-9300l-24t-4g-a (environment) · cisco-catalyst-9300l-24t-4g-e (environment) · cisco-catalyst-9300l-24t-4x-a (environment) · cisco-catalyst-9300l-24t-4x-e (environment) · cisco-catalyst-9300l-48p-4g-a (environment) · cisco-catalyst-9300l-48p-4g-e (environment) · cisco-catalyst-9300l-48p-4x-a (environment) · cisco-catalyst-9300l-48p-4x-e (environment) · cisco-catalyst-9300l-48t-4g-a (environment) · cisco-catalyst-9300l-48t-4g-e (environment) · cisco-catalyst-9300l-48t-4x-a (environment) · cisco-catalyst-9300l-48t-4x-e (environment) · cisco-catalyst-9300l-stack (environment) · cisco-catalyst-9300lm (environment) · cisco-catalyst-9300x (environment) · cisco-catalyst-9400 (environment) · cisco-catalyst-9400-supervisor-engine-1 (environment) · cisco-catalyst-9407r (environment) · cisco-catalyst-9410r (environment) · cisco-catalyst-9500 (environment) · cisco-catalyst-9500h (environment) · cisco-catalyst-9600 (environment) · cisco-catalyst-9600-supervisor-engine-1 (environment) · cisco-catalyst-9600x (environment) · cisco-catalyst-9800 (environment) · cisco-catalyst-9800-40 (environment) · cisco-catalyst-9800-40-wireless-controller (environment) · cisco-catalyst-9800-80 (environment) · cisco-catalyst-9800-80-wireless-controller (environment) · cisco-catalyst-9800-cl (environment) · cisco-catalyst-9800-embedded-wireless-controller (environment) · cisco-catalyst-9800-l (environment) · cisco-catalyst-9800-l-c (environment) · cisco-catalyst-9800-l-f (environment) · cisco-catalyst-ie3200 (environment) · cisco-catalyst-ie3200-rugged-switch (environment) · cisco-catalyst-ie3300 (environment) · cisco-catalyst-ie3300-rugged-switch (environment) · cisco-catalyst-ie3400 (environment) · cisco-catalyst-ie3400-heavy-duty-switch (environment) · cisco-catalyst-ie3400-rugged-switch (environment) · cisco-catalyst-ie9300 (environment) · cisco-cbr-8 (environment) · cisco-cg418-e (environment) · cisco-cg522-e (environment) · cisco-esr6300 (environment) · cisco-ess-3300-24t-con-a (environment) · cisco-ess-3300-24t-con-e (environment) · cisco-ess-3300-24t-ncp-a (environment) · cisco-ess-3300-24t-ncp-e (environment) · cisco-ess-3300-con-a (environment) · cisco-ess-3300-con-e (environment) · cisco-ess-3300-ncp-a (environment) · cisco-ess-3300-ncp-e (environment) · cisco-ess9300-10x-e (environment) · cisco-integrated-services-virtual-router (environment)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMcisco
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-23CWE-22

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