This security advisory describes one low risk vulnerability.

1) Information disclosure

Risk: Low

CVSSv3:
4.8 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2020-3477

CWE-ID:
CWE-200 – Information Exposure

Exploit availability:
No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to insufficient application of restrictions during the execution of a specific command in the CLI parser. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor’s website.

Vulnerable software versions

Cisco IOS:
Denali-16.3.11

Cisco IOS XE:
Denali-16.3.11

CPE

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-info-disclosure-V4BmJBNF

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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