Vulnerability in Cisco Enterprise Network Function Virtualization Infrastructure
CVE-2020-3138
A vulnerability in the upgrade component of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, local attacker to install a malicious file when upgrading. The vulnerability is due to insufficient signature validation. An attacker could exploit this vulnerability by providing a crafted upgrade file. A successful exploit could allow the attacker to upload crafted code to the affected device.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (9.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nfvis-co… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3138?
- CVE-2020-3138 is a medium-severity vulnerability in Cisco Enterprise Network Function Virtualization Infrastructure, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.7/10. Published 2020-02-19.
- How severe is CVE-2020-3138?
- Medium severity. CVSS v3 base score is 6.7 out of 10.