CVE-2023-20048Network attack vector

Authenticated configuration command execution via insufficient authorization

Published Nov 1, 2023 · Updated Dec 16, 2025

Improper privilege management in Cisco Firepower Management Center allows remote authenticated users to run unauthorized FTD configuration commands. The FMC web services interface insufficiently authorizes configuration commands supplied in a crafted HTTP request before forwarding them to a managed FTD device. Valid FMC credentials and management of the targeted FTD are required; successful exploitation can disclose data, change configuration, or interrupt the device.

CVSS severity9.9
Critical
EPSS probability15.82%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper privilege management in Cisco Firepower Management Center allows remote authenticated users to run unauthorized FTD configuration commands. The FMC web services interface insufficiently authorizes configuration commands supplied in a crafted HTTP request before forwarding them to a managed FTD device. Valid FMC credentials and management of the targeted FTD are required; successful exploitation can disclose data, change configuration, or interrupt the device.

The record

CVE
CVE-2023-20048
Published
Nov 1, 2023
Updated
Dec 16, 2025
Vendor
ClamAV
Product
Cisco Firepower Management Center
Classifications
CWE-269, T1068
Attack vector
network
Privileges
authenticated

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=6.4.0.2
  30. Affected versionversion=6.4.0.3
  31. Affected versionversion=6.4.0.4
  32. Affected versionversion=6.4.0.5
  33. Affected versionversion=6.4.0.6
  34. Affected versionversion=6.4.0.7
  35. Affected versionversion=6.4.0.8
  36. Affected versionversion=6.4.0.9
  37. Affected versionversion=6.6.0
  38. Affected versionversion=6.6.0.1
  39. Affected versionversion=6.6.1
  40. Affected versionversion=6.6.3
  41. Affected versionversion=6.6.4
  42. Affected versionversion=6.6.5
  43. Affected versionversion=6.6.5.1
  44. Affected versionversion=6.6.5.2
  45. Affected versionversion=6.6.7
  46. Affected versionversion=6.6.7.1
  47. Affected versionversion=6.7.0
  48. Affected versionversion=6.7.0.1
  49. Affected versionversion=6.7.0.2
  50. Affected versionversion=6.7.0.3
  51. Affected versionversion=7.0.0
  52. Affected versionversion=7.0.0.1
  53. Affected versionversion=7.0.1
  54. Affected versionversion=7.0.1.1
  55. Affected versionversion=7.0.2
  56. Affected versionversion=7.0.2.1
  57. Affected versionversion=7.0.3
  58. Affected versionversion=7.0.4
  59. Affected versionversion=7.0.5
  60. Affected versionversion=7.1.0
  61. Affected versionversion=7.1.0.1
  62. Affected versionversion=7.1.0.2
  63. Affected versionversion=7.1.0.3
  64. Affected versionversion=7.2.0
  65. Affected versionversion=7.2.0.1
  66. Affected versionversion=7.2.1
  67. Affected versionversion=7.2.2
  68. Affected versionversion=7.2.3
  69. Affected versionversion=7.2.3.1
  70. Affected versionversion=7.3.0
  71. Affected versionversion=7.3.1
  72. Affected versionversion=7.3.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

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=6.4.0.2; 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=6.7.0; 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=7.1.0; 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=7.3.0; version=7.3.1; version=7.3.1.1

Published CVSS scores

9.9NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
9.9Cisco Systems, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:H

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management
T1068Exploitation for Privilege Escalation

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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