$ cve CVE-2018-0150 JSON

CVE-2018-0150

9.8

CRITICAL · CVSS 3.1 · EPSS 4.8% (pctl 92)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

Description

A vulnerability in Cisco IOS XE Software could allow an unauthenticated, remote attacker to log in to a device running an affected release of Cisco IOS XE Software with the default username and password that are used at initial boot, aka a Static Credential Vulnerability. The vulnerability is due to an undocumented user account with privilege level 15 that has a default username and password. An attacker could exploit this vulnerability by using this account to remotely connect to an affected device. A successful exploit could allow the attacker to log in to the device with privilege level 15 access. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS XE Software Release 16.x. This vulnerability does not affect Cisco IOS XE Software releases prior to Release 16.x. Cisco Bug IDs: CSCve89880.

Scoring

CVSS	9.8 (CRITICAL, v3.1)
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS	4.79% — more likely to be exploited than 92% of all CVEs
Weakness	CWE-798
On CISA KEV	no
Public exploit	none known
Published	2018-03-28
Last modified	2026-06-17

Affected (3)

Vendor	Product
cisco	4431 integrated services router
cisco	4451 integrated services router
cisco	ios xe

References

→ the Explorer · watch your stack · NVD