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Fencer Vulns
medium 6.7

CVE-2019-1600 json

Cisco FXOS and NX-OS Software Unauthorized Directory Access Vulnerability

published 2019-03-07 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10157

cvss
6.7
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

A vulnerability in the file system permissions of Cisco FXOS Software and Cisco NX-OS Software could allow an authenticated, local attacker to access sensitive information that is stored in the file system of an affected system. The vulnerability is due to improper implementation of file system permissions. An attacker could exploit this vulnerability by accessing and modifying restricted files. A successful exploit could allow the attacker to access sensitive and critical files. Firepower 4100 Series Next-Generation Firewalls are affected in versions prior to 2.2.2.91 and 2.3.1.110. Firepower 9300 Series Next-Generation Firewalls are affected in versions prior to 2.2.2.91 and 2.3.1.110. MDS 9000 Series Multilayer Switches are affected in versions prior to 6.2(25), 8.1(1b), and 8.3(1). Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 3500 Platform Switches are affected in versions prior to 6.0(2)A8(10) and 7.0(3)I7(4). Nexus 3600 Platform Switches are affected in versions prior to 7.0(3)F3(5). Nexus 2000, 5500, 5600, and 6000 Series Switches are affected in versions prior to 7.1(5)N1(1b) and 7.3(3)N1(1). Nexus 7000 and 7700 Series Switches are affected in versions prior to 6.2(22), 7.3(3)D1(1), and 8.2(3). Nexus 9000 Series Switches-Standalone are affected in versions prior to 7.0(3)I4(9) and 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected in versions prior to 7.0(3)F3(5).

Patch / fix

  • Cisco Firepower 4100 Series Next-Generation Firewalls 2.2.2.91, 2.3.1.110
  • Cisco Firepower 9300 Series Next-Generation Firewalls 2.2.2.91, 2.3.1.110
  • Cisco MDS 9000 Series Multilayer Switches 6.2(25), 8.1(1b), 8.3(1)
  • Cisco Nexus 3000 Series Switches 7.0(3)I4(9), 7.0(3)I7(4)
  • Cisco Nexus 3500 Platform Switches 6.0(2)A8(10), 7.0(3)I7(4)
  • Cisco Nexus 3600 Platform Switches 7.0(3)F3(5)
  • Cisco Nexus 2000, 5500, 5600, and 6000 Series Switches 7.1(5)N1(1b), 7.3(3)N1(1)
  • Cisco Nexus 7000 and 7700 Series Switches 6.2(22), 7.3(3)D1(1), 8.2(3)
  • Cisco Nexus 9000 Series Switches-Standalone 7.0(3)I4(9), 7.0(3)I7(4)
  • Cisco Nexus 9500 R-Series Line Cards and Fabric Modules 7.0(3)F3(5)

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
23 mo ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 6.7 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Cisco Firepower 4100 Series Next-Generation Firewalls
  • Cisco Firepower 9300 Series Next-Generation Firewalls
  • Cisco MDS 9000 Series Multilayer Switches
  • Cisco Nexus 3000 Series Switches
  • Cisco Nexus 3500 Platform Switches
  • Cisco Nexus 3600 Platform Switches
  • Cisco Nexus 2000, 5500, 5600, and 6000 Series Switches
  • Cisco Nexus 7000 and 7700 Series Switches
  • Cisco Nexus 9000 Series Switches-Standalone
  • Cisco Nexus 9500 R-Series Line Cards and Fabric Modules

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
  • CWE-732 Incorrect Permission Assignment for Critical Resource

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.