VIR Vulnerability Intelligence Relay

CVE-2023-20198

unknown KEV
Published 2023-10-16 · Modified 2023-10-16
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
2.5

Description

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.

CISA KEV

Vendor
Cisco
Product
IOS XE Web UI
Due date
2023-10-20

Predictions

Exploit likelihood
99%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

auxiliary_admin/http/cisco_ios_xe_os_exec_cve_2023_20273 rank 300
Cisco IOX XE unauthenticated OS command execution
Source fetch failed: fetch_error — view the original via the link above.
auxiliary_admin/http/cisco_ios_xe_cli_exec_cve_2023_20198 rank 300
Cisco IOX XE unauthenticated Command Line Interface (CLI) execution
Source fetch failed: fetch_error — view the original via the link above.
exploit_linux/misc/cisco_ios_xe_rce rank 600
Cisco IOX XE Unauthenticated RCE Chain
Source code queued for fetch — refresh in a moment.

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.