6.7

CVE-2024-20399: Cisco NX-OS Command Injection Vulnerability

CVSS: 6.7v3.1MediumKEVAnalyzed
Published 01-07-2024Last modified 21-10-2025
Open JSON

Vulnerability summary

CVE-2024-20399 is a medium (CVSS 6.7) OS Command Injection vulnerability in Cisco NX-OS. It is known to be exploited: CISA lists it, first on 02-07-2024. EPSS estimates a 4.31% chance of exploitation in the next 30 days, higher than 91% of scored vulnerabilities.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
6.7/10
010
Medium · v3.1 (NVD)
EPSS score
4.31%
0%100%
Low · 0.00 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-07-2024
    PublishedVulnerability first disclosed.
  2. 02-07-2024
    Added to CISA KEVCisco NX-OS Command Injection Vulnerability
  3. 23-07-2024
    CISA remediation dueApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

Description

A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated user in possession of Administrator credentials to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of arguments that are passed to specific configuration CLI commands. An attacker could exploit this vulnerability by including crafted input as the argument of an affected configuration CLI command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with the privileges of root. Note: To successfully exploit this vulnerability on a Cisco NX-OS device, an attacker must have Administrator credentials. The following Cisco devices already allow administrative users to access the underlying operating system through the bash-shell feature, so, for these devices, this vulnerability does not grant any additional privileges: Nexus 3000 Series Switches Nexus 7000 Series Switches that are running Cisco NX-OS Software releases 8.1(1) and later Nexus 9000 Series Switches in standalone NX-OS mode

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

4.31%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.31% on 21-09-2026

21-09-202621-10-2026
EPSS score
4.31%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
02-07-2024
Federal due date
23-07-2024

CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. sec.cloudapps.cisco.com/security/… nvd.nist.gov/vuln/detail/CVE-2024-20399

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco2 products
  • cisco nx-os software8.2(5) | 7.3(6)N1(1a) | 7.3(5)D1(1) | 8.4(2) | 7.3(6)N1(1) | 6.2(2) | 8.4(3) | 9.2(3) | 7.0(3)I5(2) | 8.2(1) | 6.0(2)A8(7a) | 7.0(3)I4(5) | 6.0(2)A6(1) | 7.3(1)D1(1) | 6.2(14a) | 7.0(3)I4(6) | 7.3(4)N1(1) | 7.0(3)I4(3) | 9.2(2v) | 6.0(2)A6(5b) | 7.3(0)D1(1) | 6.2(17a) | 7.0(3)I4(7) | 6.0(2)U6(1a) | 7.1(5)N1(1b) | 7.0(3)I4(1) | 7.0(3)I4(8) | 7.0(3)I4(2) | 7.1(4)N1(1c) | 7.0(3)IM3(1) | 6.0(2)U6(5a) | 6.0(2)A8(11) | 6.0(2)A6(4a) | 6.2(9) | 6.2(5) | 7.3(4)D1(1) | 6.2(20) | 9.2(1) | 9.2(2t) | 9.2(3y) | 7.0(3)I4(1t) | 6.0(2)U6(5c) | 6.0(2)A6(4) | 7.0(3)I7(6z) | 9.3(2) | 7.3(1)DY(1) | 7.0(3)F3(3) | 6.0(2)U6(6) | 6.2(29) | 7.0(3)I7(3z) | 7.0(3)IM7(2) | 6.0(2)A8(11b) | 6.2(9a) | 7.3(0)N1(1) | 7.0(3)I7(5a) | 6.2(11d) | 8.1(1) | 7.0(3)I6(1) | 6.0(2)U6(10) | 7.2(2)D1(2) | 7.0(3)IM3(2) | 6.0(2)A6(8) | 8.2(2) | 6.0(2)U6(1) | 7.3(2)N1(1c) | 7.0(3)I5(3b) | 8.3(2) | 7.3(5)N1(1) | 6.0(2)A6(2a) | 7.3(2)N1(1b) | 6.2(27) | 7.3(2)D1(3a) | 7.3(1)N1(1) | 6.0(2)U6(7) | 9.2(4) | 7.1(4)N1(1a) | 7.1(3)N1(4) | 7.0(3)IM3(2a) | 6.2(8b) | 6.0(2)A8(10) | 7.1(3)N1(2) | 6.2(13) | 6.0(2)A8(2) | 7.0(3)IC4(4) | 6.2(1) | 7.3(4)N1(1a) | 8.1(2) | 6.0(2)A6(3) | 6.0(2)U6(5b) | 7.0(3)F3(3c) | 7.3(3)D1(1) | 7.0(3)F3(1) | 6.0(2)U6(5) | 7.0(3)F3(5) | 7.1(2)N1(1) | 7.1(3)N1(3) | 8.2(3) | 6.0(2)A6(7) | 7.0(3)I7(2) | 6.2(5a) | 6.2(18) | 6.0(2)A6(5) | 7.0(3)IM3(2b) | 7.1(3)N1(1) | 6.0(2)U6(4a) | 7.0(3)I5(3) | 7.0(3)I7(3) | 6.0(2)A8(6) | 7.0(3)I6(2) | 8.3(1) | 6.2(3) | 6.2(22) | 7.1(1)N1(1) | 8.4(1) | 8.1(1b) | 7.3(0)N1(1b) | 7.2(2)D1(4) | 6.0(2)A8(5) | 7.3(0)DX(1) | 7.1(4)N1(1d) | 7.3(2)D1(1) | 7.3(2)N1(1) | 6.0(2)U6(8) | 7.1(1)N1(1a) | 7.0(3)IM3(3) | 9.3(1) | 6.0(2)U6(2) | 6.2(9b) | 7.1(3)N1(2a) | 7.3(0)N1(1a) | 6.0(2)A8(7) | 7.0(3)I7(6) | 7.3(2)D1(2) | 6.2(25) | 6.0(2)U6(3a) | 8.0(1) | 6.0(2)A8(11a) | 6.2(11e) | 7.1(3)N1(5) | 7.0(3)I4(8z) | 6.2(11) | 7.0(3)I4(9) | 6.2(16) | 6.2(19) | 8.2(4) | 6.2(2a) | 7.2(2)D1(3) | 7.1(0)N1(1b) | 7.0(3)I7(4) | 7.0(3)I7(7) | 6.2(5b) | 7.3(0)DY(1) | 6.0(2)A8(9) | 6.0(2)A8(1) | 7.1(5)N1(1) | 7.2(1)D1(1) | 6.2(15) | 6.0(2)A6(6) | 6.0(2)A8(10a) | 7.0(3)I5(1) | 9.3(1z) | 9.2(2) | 6.2(7) | 6.2(9c) | 7.0(3)F3(4) | 7.3(3)N1(1) | 6.2(6b) | 7.0(3)I4(8b) | 8.1(2a) | 7.3(2)D1(3) | 6.2(8) | 6.0(2)A8(3) | 6.2(11b) | 7.0(3)I4(6t) | 7.0(3)I5(3a) | 8.1(1a) | 6.2(13a) | 6.0(2)A8(8) | 7.0(3)I7(5) | 7.0(3)F3(3a) | 7.1(0)N1(1a) | 6.0(2)A8(4) | 6.0(2)A6(3a) | 6.0(2)A6(5a) | 7.0(3)F2(1) | 7.0(3)I4(8a) | 6.0(2)U6(9) | 7.0(3)F3(2) | 6.0(2)U6(2a) | 6.2(12) | 6.2(17) | 7.0(3)I4(4) | 6.2(23) | 6.2(13b) | 6.0(2)U6(3) | 6.2(10) | 6.2(6a) | 6.2(6) | 7.1(2)N1(1a) | 6.2(14) | 7.0(3)I7(1) | 6.2(14b) | 6.2(21) | 7.2(2)D1(1) | 7.0(3)F2(2) | 7.0(3)IA7(2) | 7.0(3)IA7(1) | 6.0(2)A8(7b) | 6.2(8a) | 6.2(11c) | 7.0(3)F1(1) | 6.0(2)A6(1a) | 7.1(0)N1(1) | 7.2(0)D1(1) | 6.0(2)A6(2) | 7.1(4)N1(1) | 6.0(2)A8(4a) | 6.2(20a) | 6.0(2)U6(4) | 8.4(1a) | 9.3(3) | 7.3(2)D1(1d) | 7.3(7)N1(1) | 6.2(24) | 6.2(31) | 7.0(3)I7(8) | 6.0(2)U6(10a) | 7.3(7)N1(1a) | 9.3(4) | 7.3(6)D1(1) | 6.2(26) | 8.2(6) | 6.2(33) | 9.3(5) | 8.4(2a) | 8.4(2b) | 7.3(8)N1(1) | 7.0(3)I7(9) | 7.3(7)N1(1b) | 6.2(24a) | 8.5(1) | 9.3(6) | 10.1(2) | 10.1(1) | 8.4(4) | 7.3(7)D1(1) | 8.4(2c) | 9.3(5w) | 8.2(7) | 7.3(9)N1(1) | 9.3(7) | 9.3(7k) | 7.0(3)I7(9w) | 10.2(1) | 7.3(8)N1(1a) | 7.3(8)D1(1) | 9.3(7a) | 8.2(7a) | 9.3(8) | 8.4(4a) | 8.4(2d) | 7.3(10)N1(1) | 8.4(5) | 7.0(3)I7(10) | 7.3(8)N1(1b) | 8.2(8) | 10.2(1q) | 10.2(2) | 9.3(9) | 7.3(9)D1(1) | 7.3(11)N1(1) | 10.2(3) | 8.4(6) | 8.4(2e) | 9.3(10) | 7.3(11)N1(1a) | 10.2(2a) | 7.3(12)N1(1) | 9.2(1a) | 8.2(9) | 10.3(1) | 10.2(4) | 7.3(13)N1(1) | 8.4(7) | 10.3(2) | 8.4(6a) | 9.3(11) | 10.3(3) | 10.2(5) | 9.4(1) | 9.3(2a) | 8.4(2f) | 8.2(10) | 9.3(12) | 10.4(1) | 8.4(8) | 10.3(99w) | 7.3(14)N1(1) | 10.2(6) | 10.3(3w) | 10.3(99x) | 10.3(3o) | 8.4(9) | 10.3(4) | 10.3(3p) | 10.3(4a) | 9.4(1a) | 10.4(2) | 10.3(3q) | 9.3(13) | 8.2(11) | 9.4(2) | 10.3(5) | 10.2(7) | 10.3(3x) | 10.3(4g) | 10.2(8) | 10.3(3r)
  • nx-os6.2\(2\) | 6.2\(2a\) | 6.2\(6\) | 6.2\(6a\) | 6.2\(6b\) | 6.2\(8\) | 6.2\(8a\) | 6.2\(8b\) | 6.2\(10\) | 6.2\(12\) | 6.2\(14\) | 6.2\(16\) | 6.2\(18\) | 6.2\(20\) | 6.2\(20a\) | 6.2\(22\) | 6.2\(24\) | 6.2\(24a\) | 7.2\(0\)d1\(1\) | 7.2\(1\)d1\(1\) | 7.2\(2\)d1\(1\) | 7.2\(2\)d1\(2\) | 7.3\(0\)d1\(1\) | 7.3\(0\)dx\(1\) | 7.3\(1\)d1\(1\) | 7.3\(2\)d1\(1\) | 7.3\(2\)d1\(2\) | 7.3\(2\)d1\(3\) | 7.3\(2\)d1\(3a\) | 7.3\(3\)d1\(1\) | 7.3\(4\)d1\(1\) | 7.3\(5\)d1\(1\) | 7.3\(6\)d1\(1\) | 7.3\(7\)d1\(1\) | 7.3\(8\)d1\(1\) | 7.3\(9\)d1\(1\) | 8.0\(1\) | 8.1\(1\) | 8.1\(2\) | 8.1\(2a\) | 8.2\(1\) | 8.2\(2\) | 8.2\(3\) | 8.2\(4\) | 8.2\(5\) | 8.2\(6\) | 8.2\(7\) | 8.2\(7a\) | 8.2\(8\) | 8.2\(9\) | 8.2\(10\) | 8.2\(11\) | 8.3\(1\) | 8.3\(2\) | 8.4\(1\) | 8.4\(2\) | 8.4\(3\) | 8.4\(4\) | 8.4\(4a\) | 8.4\(5\) | 8.4\(6\) | 8.4\(6a\) | 8.4\(7\) | 8.4\(8\) | 8.4\(9\) | 6.2\(1\) | 6.2\(3\) | 6.2\(5\) | 6.2\(5a\) | 6.2\(5b\) | 6.2\(7\) | 6.2\(9\) | 6.2\(9a\) | 6.2\(9b\) | 6.2\(9c\) | 6.2\(11\) | 6.2\(11b\) | 6.2\(11c\) | 6.2\(11d\) | 6.2\(11e\) | 6.2\(13\) | 6.2\(13a\) | 6.2\(13b\) | 6.2\(15\) | 6.2\(17\) | 6.2\(19\) | 6.2\(21\) | 6.2\(23\) | 6.2\(25\) | 6.2\(27\) | 6.2\(29\) | 6.2\(31\) | 6.2\(33\) | 7.3\(0\)dy\(1\) | 7.3\(1\)dy\(1\) | 8.1\(1a\) | 8.1\(1b\) | 8.4\(1a\) | 8.4\(2a\) | 8.4\(2b\) | 8.4\(2c\) | 8.4\(2d\) | 8.4\(2e\) | 8.4\(2f\) | 8.5\(1\) | 9.2\(1\) | 9.2\(1a\) | 9.2\(2\) | 9.3\(1\) | 9.3\(2\) | 9.3\(2a\) | 9.4\(1\) | 9.4\(1a\) | 9.4\(2\) | 6.0\(2\)a6\(1\) | 6.0\(2\)a6\(1a\) | 6.0\(2\)a6\(2\) | 6.0\(2\)a6\(2a\) | 6.0\(2\)a6\(3\) | 6.0\(2\)a6\(3a\) | 6.0\(2\)a6\(4\) | 6.0\(2\)a6\(4a\) | 6.0\(2\)a6\(5\) | 6.0\(2\)a6\(5a\) | 6.0\(2\)a6\(5b\) | 6.0\(2\)a6\(6\) | 6.0\(2\)a6\(7\) | 6.0\(2\)a6\(8\) | 6.0\(2\)a8\(1\) | 6.0\(2\)a8\(2\) | 6.0\(2\)a8\(3\) | 6.0\(2\)a8\(4\) | 6.0\(2\)a8\(4a\) | 6.0\(2\)a8\(5\) | 6.0\(2\)a8\(6\) | 6.0\(2\)a8\(7\) | 6.0\(2\)a8\(7a\) | 6.0\(2\)a8\(7b\) | 6.0\(2\)a8\(8\) | 6.0\(2\)a8\(9\) | 6.0\(2\)a8\(10\) | 6.0\(2\)a8\(10a\) | 6.0\(2\)a8\(11\) | 6.0\(2\)a8\(11a\) | 6.0\(2\)a8\(11b\) | 6.0\(2\)u6\(1\) | 6.0\(2\)u6\(1a\) | 6.0\(2\)u6\(2\) | 6.0\(2\)u6\(2a\) | 6.0\(2\)u6\(3\) | 6.0\(2\)u6\(3a\) | 6.0\(2\)u6\(4\) | 6.0\(2\)u6\(4a\) | 6.0\(2\)u6\(5\) | 6.0\(2\)u6\(5a\) | 6.0\(2\)u6\(5b\) | 6.0\(2\)u6\(5c\) | 6.0\(2\)u6\(6\) | 6.0\(2\)u6\(7\) | 6.0\(2\)u6\(8\) | 6.0\(2\)u6\(9\) | 6.0\(2\)u6\(10\) | 7.0\(3\)f1\(1\) | 7.0\(3\)f2\(1\) | 7.0\(3\)f2\(2\) | 7.0\(3\)f3\(1\) | 7.0\(3\)f3\(2\) | 7.0\(3\)f3\(3\) | 7.0\(3\)f3\(3a\) | 7.0\(3\)f3\(3c\) | 7.0\(3\)f3\(4\) | 7.0\(3\)f3\(5\) | 7.0\(3\)i4\(1\) | 7.0\(3\)i4\(2\) | 7.0\(3\)i4\(3\) | 7.0\(3\)i4\(4\) | 7.0\(3\)i4\(5\) | 7.0\(3\)i4\(6\) | 7.0\(3\)i4\(7\) | 7.0\(3\)i4\(8\) | 7.0\(3\)i4\(8a\) | 7.0\(3\)i4\(8b\) | 7.0\(3\)i4\(8z\) | 7.0\(3\)i4\(9\) | 7.0\(3\)i5\(1\) | 7.0\(3\)i5\(2\) | 7.0\(3\)i6\(1\) | 7.0\(3\)i6\(2\) | 7.0\(3\)i7\(1\) | 7.0\(3\)i7\(2\) | 7.0\(3\)i7\(3\) | 7.0\(3\)i7\(4\) | 7.0\(3\)i7\(5\) | 7.0\(3\)i7\(5a\) | 7.0\(3\)i7\(6\) | 7.0\(3\)i7\(7\) | 7.0\(3\)i7\(8\) | 7.0\(3\)i7\(9\) | 7.0\(3\)i7\(10\) | 9.2\(2t\) | 9.2\(2v\) | 9.2\(3\) | 9.2\(4\) | 9.3\(3\) | 9.3\(4\) | 9.3\(5\) | 9.3\(6\) | 9.3\(7\) | 9.3\(7a\) | 9.3\(8\) | 9.3\(9\) | 9.3\(10\) | 9.3\(11\) | 9.3\(12\) | 9.3\(13\) | 10.1\(1\) | 10.1\(2\) | 10.2\(1\) | 10.2\(1q\) | 10.2\(2\) | 10.2\(3\) | 10.2\(4\) | 10.2\(5\) | 10.2\(6\) | 10.2\(7\) | 10.2\(8\) | 10.3\(1\) | 10.3\(2\) | 10.3\(3\) | 10.3\(4a\) | 10.3\(5\) | 10.3\(99w\) | 10.3\(99x\) | 10.4\(1\) | 10.4\(2\) | 7.1\(0\)n1\(1\) | 7.1\(0\)n1\(1a\) | 7.1\(0\)n1\(1b\) | 7.1\(1\)n1\(1\) | 7.1\(2\)n1\(1\) | 7.1\(3\)n1\(1\) | 7.1\(3\)n1\(2\) | 7.1\(4\)n1\(1\) | 7.1\(5\)n1\(1\) | 7.1\(5\)n1\(1b\) | 7.3\(0\)n1\(1\) | 7.3\(1\)n1\(1\) | 7.3\(2\)n1\(1\) | 7.3\(3\)n1\(1\) | 7.3\(4\)n1\(1\) | 7.3\(5\)n1\(1\) | 7.3\(6\)n1\(1\) | 7.3\(7\)n1\(1\) | 7.3\(7\)n1\(1a\) | 7.3\(7\)n1\(1b\) | 7.3\(8\)n1\(1\) | 7.3\(9\)n1\(1\) | 7.3\(10\)n1\(1\) | 7.3\(11\)n1\(1\) | 7.3\(12\)n1\(1\) | 7.3\(13\)n1\(1\) | 7.3\(14\)n1\(1\)

1 vendor · 2 products

References

3 links