Insufficiently protected credentials in Cisco IOS and IOS XE



Published: 2021-03-29
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-1392
CWE-ID CWE-522
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Cisco IOS
Operating systems & Components / Operating system

Cisco IOS XE
Operating systems & Components / Operating system

Cisco Embedded Services 3300 Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Insufficiently protected credentials

EUVDB-ID: #VU51768

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1392

CWE-ID: CWE-522 - Insufficiently Protected Credentials

Exploit availability: No

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to incorrect permissions are associated with the show cip security CLI command. A local user can use a specially crafted command to retrieve the password for CIP and reconfigure the device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco IOS: 17.1.1

Cisco IOS XE: 17.1.1

Cisco Embedded Services 3300 Series Switches: All versions

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-XE-SAP-OPLbze68


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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