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.
Published 2019-05-15 23:29:01
Updated 2023-03-24 17:46:15
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2019-1808

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-1808

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.1
LOW AV:L/AC:L/Au:N/C:N/I:P/A:N
3.9
2.9
NIST
6.7
MEDIUM CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
0.8
5.9
Cisco Systems, Inc.
4.4
MEDIUM CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
0.8
3.6
NIST

CWE ids for CVE-2019-1808

References for CVE-2019-1808

Products affected by CVE-2019-1808

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