CVE-2021-1392 — HIGH (7.8) — White Hats Nepal

Vulnerability Description

A vulnerability in the CLI command permissions of Cisco IOS and Cisco IOS XE Software could allow an authenticated, local attacker to retrieve the password for Common Industrial Protocol (CIP) and then remotely configure the device as an administrative user. This vulnerability exists because incorrect permissions are associated with the show cip security CLI command. An attacker could exploit this vulnerability by issuing the command to retrieve the password for CIP on an affected device. A successful exploit could allow the attacker to reconfigure the device.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Ios	15.0\(1\)ey
Cisco	Ios Xe	3.3.0xo

Related Weaknesses (CWE)

CWE-522

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-XVendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-XVendor Advisory

FAQ

What is CVE-2021-1392?

CVE-2021-1392 is a vulnerability with a CVSS score of 7.8 (HIGH). A vulnerability in the CLI command permissions of Cisco IOS and Cisco IOS XE Software could allow an authenticated, local attacker to retrieve the password for Common Industrial Protocol (CIP) and the...

How severe is CVE-2021-1392?

CVE-2021-1392 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-1392?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios, Cisco Ios Xe.