CVE-2019-1808: A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level…

PriorityP420medium4.4CVSS 3.1

AVLACLPRHUINSUCNIHAN

EPSS

0.18%

8.4th percentile

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by loading an unsigned software patch on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
cisco	cisco_nx-os_software	>= unspecified < 8.3(1)	8.3(1)
cisco	mds_9700_series_multilayer_directors_and_nexus_7000_7700_series_switches	—	—
cisco	nx-os	>= 7.2 < 7.3\(3\)d1\(1\)	7.3\(3\)d1\(1\)
cisco	nx-os	>= 7.3 < 8.1\(1a\)	8.1\(1a\)
cisco	nx-os	>= 8.0 < 8.2\(3\)	8.2\(3\)
cisco	nx-os	>= 8.2 < 8.3\(1\)	8.3\(1\)

CVSS provenance

nvdv3.14.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

nvdv3.06.7MEDIUMCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:P/A:N

vendor_cisco6.7MEDIUM

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