CVE-2023-20063

Root command execution via unvalidated inter-device input

Published Nov 1, 2023 · Updated Dec 16, 2025

Code injection in Cisco FTD and FMC Software allows local administrators to execute root commands on an associated peer device. The inter-device communication mechanism accepts commands submitted from expert mode without sufficient validation and executes them on the connected system. Exploitation requires Administrator privileges on one associated device; it crosses the management boundary only when different personnel administer the peers.

CVSS severity8.2
High
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in Cisco FTD and FMC Software allows local administrators to execute root commands on an associated peer device. The inter-device communication mechanism accepts commands submitted from expert mode without sufficient validation and executes them on the connected system. Exploitation requires Administrator privileges on one associated device; it crosses the management boundary only when different personnel administer the peers.

The record

CVE
CVE-2023-20063
Published
Nov 1, 2023
Updated
Dec 16, 2025
Vendor
ClamAV
Product
Cisco Firepower Management Center
Classifications
CWE-94, T1059
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Nov 1, 2023CVE publishedPublication date reported by the CVE source.
  2. Dec 16, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.2.3
  2. Affected versionversion=6.2.3.1
  3. Affected versionversion=6.2.3.10
  4. Affected versionversion=6.2.3.11
  5. Affected versionversion=6.2.3.12
  6. Affected versionversion=6.2.3.13
  7. Affected versionversion=6.2.3.14
  8. Affected versionversion=6.2.3.15
  9. Affected versionversion=6.2.3.16
  10. Affected versionversion=6.2.3.17
  11. Affected versionversion=6.2.3.18
  12. Affected versionversion=6.2.3.2
  13. Affected versionversion=6.2.3.3
  14. Affected versionversion=6.2.3.4
  15. Affected versionversion=6.2.3.5
  16. Affected versionversion=6.2.3.6
  17. Affected versionversion=6.2.3.7
  18. Affected versionversion=6.2.3.8
  19. Affected versionversion=6.2.3.9
  20. Affected versionversion=6.4.0
  21. Affected versionversion=6.4.0.1
  22. Affected versionversion=6.4.0.10
  23. Affected versionversion=6.4.0.11
  24. Affected versionversion=6.4.0.12
  25. Affected versionversion=6.4.0.13
  26. Affected versionversion=6.4.0.14
  27. Affected versionversion=6.4.0.15
  28. Affected versionversion=6.4.0.16
  29. Affected versionversion=6.4.0.17
  30. Affected versionversion=6.4.0.18
  31. Affected versionversion=6.4.0.2
  32. Affected versionversion=6.4.0.3
  33. Affected versionversion=6.4.0.4
  34. Affected versionversion=6.4.0.5
  35. Affected versionversion=6.4.0.6
  36. Affected versionversion=6.4.0.7
  37. Affected versionversion=6.4.0.8
  38. Affected versionversion=6.4.0.9
  39. Affected versionversion=6.6.0
  40. Affected versionversion=6.6.0.1
  41. Affected versionversion=6.6.1
  42. Affected versionversion=6.6.3
  43. Affected versionversion=6.6.4
  44. Affected versionversion=6.6.5
  45. Affected versionversion=6.6.5.1
  46. Affected versionversion=6.6.5.2
  47. Affected versionversion=6.6.7
  48. Affected versionversion=6.6.7.1
  49. Affected versionversion=6.6.7.2
  50. Affected versionversion=6.7.0
  51. Affected versionversion=6.7.0.1
  52. Affected versionversion=6.7.0.2
  53. Affected versionversion=6.7.0.3
  54. Affected versionversion=7.0.0
  55. Affected versionversion=7.0.0.1
  56. Affected versionversion=7.0.1
  57. Affected versionversion=7.0.1.1
  58. Affected versionversion=7.0.2
  59. Affected versionversion=7.0.2.1
  60. Affected versionversion=7.0.3
  61. Affected versionversion=7.0.4
  62. Affected versionversion=7.0.5
  63. Affected versionversion=7.0.6
  64. Affected versionversion=7.0.6.1
  65. Affected versionversion=7.0.6.2
  66. Affected versionversion=7.1.0
  67. Affected versionversion=7.1.0.1
  68. Affected versionversion=7.1.0.2
  69. Affected versionversion=7.1.0.3
  70. Affected versionversion=7.2.0
  71. Affected versionversion=7.2.0.1
  72. Affected versionversion=7.2.1
  73. Affected versionversion=7.2.2
  74. Affected versionversion=7.2.3
  75. Affected versionversion=7.2.3.1
  76. Affected versionversion=7.2.4
  77. Affected versionversion=7.2.4.1
  78. Affected versionversion=7.2.5
  79. Affected versionversion=7.2.5.1
  80. Affected versionversion=7.2.5.2
  81. Affected versionversion=7.2.6
  82. Affected versionversion=7.2.7
  83. Affected versionversion=7.2.8
  84. Affected versionversion=7.2.8.1
  85. Affected versionversion=7.3.0
  86. Affected versionversion=7.3.1
  87. Affected versionversion=7.3.1.1
  88. Affected versionversion=7.3.1.2
  89. Affected versionversion=7.4.0
  90. Affected versionversion=7.4.1
  91. Affected versionversion=7.4.1.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

ClamAV · Cisco Firepower Management Centerversion=6.2.3; version=6.2.3.1; version=6.2.3.10; version=6.2.3.11; version=6.2.3.12; version=6.2.3.13; version=6.2.3.14; version=6.2.3.15; version=6.2.3.16; version=6.2.3.17; version=6.2.3.18; version=6.2.3.2; version=6.2.3.3; version=6.2.3.4; version=6.2.3.5; version=6.2.3.6; version=6.2.3.7; version=6.2.3.8; version=6.2.3.9; version=6.4.0; version=6.4.0.1; version=6.4.0.10; version=6.4.0.11; version=6.4.0.12; version=6.4.0.13; version=6.4.0.14; version=6.4.0.15; version=6.4.0.16; version=6.4.0.17; version=6.4.0.18; version=6.4.0.2; version=6.4.0.3; version=6.4.0.4; version=6.4.0.5; version=6.4.0.6; version=6.4.0.7; version=6.4.0.8; version=6.4.0.9; version=6.6.0; version=6.6.0.1; version=6.6.1; version=6.6.3; version=6.6.4; version=6.6.5; version=6.6.5.1; version=6.6.5.2; version=6.6.7; version=6.6.7.1; version=6.6.7.2; version=6.7.0; version=6.7.0.1; version=6.7.0.2; version=6.7.0.3; version=7.0.0; version=7.0.0.1; version=7.0.1; version=7.0.1.1; version=7.0.2; version=7.0.2.1; version=7.0.3; version=7.0.4; version=7.0.5; version=7.0.6; version=7.0.6.1; version=7.0.6.2; version=7.1.0; version=7.1.0.1; version=7.1.0.2; version=7.1.0.3; version=7.2.0; version=7.2.0.1; version=7.2.1; version=7.2.2; version=7.2.3; version=7.2.3.1; version=7.2.4; version=7.2.4.1; version=7.2.5; version=7.2.5.1; version=7.2.5.2; version=7.2.6; version=7.2.7; version=7.2.8; version=7.2.8.1; version=7.3.0; version=7.3.1; version=7.3.1.1; version=7.3.1.2; version=7.4.0; version=7.4.1; version=7.4.1.1
ClamAV · Cisco Firepower Threat Defenseversion=6.2.3; version=6.2.3.1; version=6.2.3.10; version=6.2.3.11; version=6.2.3.12; version=6.2.3.13; version=6.2.3.14; version=6.2.3.15; version=6.2.3.16; version=6.2.3.17; version=6.2.3.18; version=6.2.3.2; version=6.2.3.3; version=6.2.3.4; version=6.2.3.5; version=6.2.3.6; version=6.2.3.7; version=6.2.3.8; version=6.2.3.9; version=6.4.0; version=6.4.0.1; version=6.4.0.10; version=6.4.0.11; version=6.4.0.12; version=6.4.0.13; version=6.4.0.14; version=6.4.0.15; version=6.4.0.16; version=6.4.0.17; version=6.4.0.18; version=6.4.0.2; version=6.4.0.3; version=6.4.0.4; version=6.4.0.5; version=6.4.0.6; version=6.4.0.7; version=6.4.0.8; version=6.4.0.9; version=6.6.0; version=6.6.0.1; version=6.6.1; version=6.6.3; version=6.6.4; version=6.6.5; version=6.6.5.1; version=6.6.5.2; version=6.6.7; version=6.6.7.1; version=6.6.7.2; version=6.7.0; version=6.7.0.1; version=6.7.0.2; version=6.7.0.3; version=7.0.0; version=7.0.0.1; version=7.0.1; version=7.0.1.1; version=7.0.2; version=7.0.2.1; version=7.0.3; version=7.0.4; version=7.0.5; version=7.0.6; version=7.0.6.1; version=7.0.6.2; version=7.1.0; version=7.1.0.1; version=7.1.0.2; version=7.1.0.3; version=7.2.0; version=7.2.0.1; version=7.2.1; version=7.2.2; version=7.2.3; version=7.2.4; version=7.2.4.1; version=7.2.5; version=7.2.5.1; version=7.2.5.2; version=7.2.6; version=7.2.7; version=7.2.8; version=7.2.8.1; version=7.3.0; version=7.3.1; version=7.3.1.1; version=7.3.1.2; version=7.4.0; version=7.4.1; version=7.4.1.1

Published CVSS scores

8.2CiscoCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:X

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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