PT-2020-1760 · Cisco · Cisco Enterprise Nfv Infrastructure

Published 2020-02-19 · Updated 2020-02-24 · CVE-2020-3138

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Cisco Enterprise NFV Infrastructure Software (NFVIS) (affected versions not specified)

Description The issue is related to insufficient signature validation in the upgrade component, allowing an attacker to install a malicious file. This could enable an attacker to upload crafted code to the affected device by providing a crafted upgrade file.

Recommendations For all affected versions, consider restricting access to the upgrade component until a fix is available. As a temporary workaround, avoid using the upgrade function until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

BDU:2020-01000

CVE-2020-3138

Affected Products

Cisco Enterprise Nfv Infrastructure

References · 4

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nfvis-codex-shs4NhvS · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-01000 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-3138 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3138 · Vendor Advisory