CRITICALCVSS v3.1 10.0Actively exploited · CISA KEV since 2023-10-16Vulnerability

CVE-2023-20198

Cisco IOS XE Web UI contains a privilege escalation vulnerability in the web user interface that could allow a remote, unauthenticated attacker to create an account with privilege level 15 access. The attacker can then use that account to gain control of the affected device.

Properties

Euvd product
Cisco IOS XE Software
Vulnerability name
Cisco IOS XE Web UI Privilege Escalation Vulnerability
First seen
2025-10-21T23:05:34+00:00
Cvss score
10
Epss score
0.99609
Last seen
2026-10-19T12:00:27+00:00
Due date
2023-10-20
Euvd assigner
cisco
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2023-10-16T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2023-10-16
Score
10
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Cisco
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
10

Related Entities (9)

AFFECTS_PRODUCT (5)

→[Product]cpe:2.3:o:rockwellautomation:allen-bradley_stratix_5200_firmware:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:rockwellautomation:allen-bradley_stratix_5800_firmware:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:rockwellautomation:allen-bradley_stratix_5800:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:rockwellautomation:allen-bradley_stratix_5200:-:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Cisco IOS XE Web UI Privilege Escalation Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Unprotected Alternate Channel

INVOLVES (1)

←[Signal]kev_added · 2023-10-16

MENTIONED_IN (1)

→[Campaign]StrikeShark: a new campaign involving a custom SharkLoader and Cobalt Strike Beacon

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CVE-2023-20198 (CVSS v3.1 10) — Ninja Signal Threat Intelligence | Ninja Signal