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CVE-2019-1601

25
FAUCET Score

CVE-2019-1601 is a high-severity vulnerability in Cisco NX-OS Software, allowing an authenticated, local attacker to gain read and write access to a critical configuration file due to improper filesystem permissions. This affects various Cisco Nexus and MDS 9000 Series Switches across multiple versions. The vulnerability has a CVSS score of 7.8 (High), indicating a low attack complexity and the potential for an attacker to bypass authentication and log in as any user, leading to high confidentiality, integrity, and availability impacts. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has received some community discussion and media coverage, suggesting awareness within the cybersecurity landscape.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.2, < 8.3\(1\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
>= 7.0\(3\), < 7.0\(3\)i7\(4\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
>= 7.0\(3\)i5, < 7.0\(3\)i7\(4\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
>= 7.0\(3\)f3, < 7.0\(3\)f3\(5\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
>= 7.0\(3\)f1, < 7.0\(3\)f3\(5\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 71st percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

ciscopatch availablevia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-file-access
PatchVendor Advisory
securityfocus.com / bid/107404
Third Party AdvisoryVDB Entry