Cisco Nexus Data Broker Software Path Traversal Vulnerability

published 2020-10-08 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-24868

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits: 0; none known

A vulnerability in the configuration restore feature of Cisco Nexus Data Broker software could allow an unauthenticated, remote attacker to perform a directory traversal attack on an affected device. The vulnerability is due to insufficient validation of configuration backup files. An attacker could exploit this vulnerability by persuading an administrator to restore a crafted configuration backup file. A successful exploit could allow the attacker to overwrite arbitrary files that are accessible through the affected software on an affected device.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-13)

Exploit prediction

1.43% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
NVD	2.0	5.8	AV:N/AC:M/Au:N/C:N/I:P/A:P

Affected products

Cisco Cisco Nexus Data Broker

Classification

Weakness

CWE-23 Relative Path Traversal
CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-ndb-path-traversal-wVDyXZPy
vendor-advisory

Sources

CVE List CVE-2020-3597
NVD CVE-2020-3597

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Summary