CVE-2023-2056Public exploitNetwork attack vector

Authenticated code execution via unvalidated deletion SQL

Published Apr 14, 2023 · Updated Feb 6, 2025

Code injection in GetSystemFile in DedeCMS 5.7.87 and earlier allows remote authenticated users to execute code through module deletion. During module removal, module_main.php passes attacker-controlled delsql content returned by GetSystemFile to the database query executor without restricting it to intended cleanup SQL. Administrative backend access and a crafted module record are required; successful exploitation can write and run a PHP web shell under the web service account.

CVSS severity9.8
Critical
EPSS probability0.97%
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 GetSystemFile in DedeCMS 5.7.87 and earlier allows remote authenticated users to execute code through module deletion. During module removal, module_main.php passes attacker-controlled delsql content returned by GetSystemFile to the database query executor without restricting it to intended cleanup SQL. Administrative backend access and a crafted module record are required; successful exploitation can write and run a PHP web shell under the web service account.

The record

CVE
CVE-2023-2056
Published
Apr 14, 2023
Updated
Feb 6, 2025
Vendor
Shanghai Zhuozhuo Network Technology Co., Ltd. (DesDev)
Product
DedeCMS
Classifications
CWE-94, T1505.003
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 6, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=5.7.0
  2. Affected versionversion=5.7.1
  3. Affected versionversion=5.7.10
  4. Affected versionversion=5.7.11
  5. Affected versionversion=5.7.12
  6. Affected versionversion=5.7.13
  7. Affected versionversion=5.7.14
  8. Affected versionversion=5.7.15
  9. Affected versionversion=5.7.16
  10. Affected versionversion=5.7.17
  11. Affected versionversion=5.7.18
  12. Affected versionversion=5.7.19
  13. Affected versionversion=5.7.2
  14. Affected versionversion=5.7.20
  15. Affected versionversion=5.7.21
  16. Affected versionversion=5.7.22
  17. Affected versionversion=5.7.23
  18. Affected versionversion=5.7.24
  19. Affected versionversion=5.7.25
  20. Affected versionversion=5.7.26
  21. Affected versionversion=5.7.27
  22. Affected versionversion=5.7.28
  23. Affected versionversion=5.7.29
  24. Affected versionversion=5.7.3
  25. Affected versionversion=5.7.30
  26. Affected versionversion=5.7.31
  27. Affected versionversion=5.7.32
  28. Affected versionversion=5.7.33
  29. Affected versionversion=5.7.34
  30. Affected versionversion=5.7.35
  31. Affected versionversion=5.7.36
  32. Affected versionversion=5.7.37
  33. Affected versionversion=5.7.38
  34. Affected versionversion=5.7.39
  35. Affected versionversion=5.7.4
  36. Affected versionversion=5.7.40
  37. Affected versionversion=5.7.41
  38. Affected versionversion=5.7.42
  39. Affected versionversion=5.7.43
  40. Affected versionversion=5.7.44
  41. Affected versionversion=5.7.45
  42. Affected versionversion=5.7.46
  43. Affected versionversion=5.7.47
  44. Affected versionversion=5.7.48
  45. Affected versionversion=5.7.49
  46. Affected versionversion=5.7.5
  47. Affected versionversion=5.7.50
  48. Affected versionversion=5.7.51
  49. Affected versionversion=5.7.52
  50. Affected versionversion=5.7.53
  51. Affected versionversion=5.7.54
  52. Affected versionversion=5.7.55
  53. Affected versionversion=5.7.56
  54. Affected versionversion=5.7.57
  55. Affected versionversion=5.7.58
  56. Affected versionversion=5.7.59
  57. Affected versionversion=5.7.6
  58. Affected versionversion=5.7.60
  59. Affected versionversion=5.7.61
  60. Affected versionversion=5.7.62
  61. Affected versionversion=5.7.63
  62. Affected versionversion=5.7.64
  63. Affected versionversion=5.7.65
  64. Affected versionversion=5.7.66
  65. Affected versionversion=5.7.67
  66. Affected versionversion=5.7.68
  67. Affected versionversion=5.7.69
  68. Affected versionversion=5.7.7
  69. Affected versionversion=5.7.70
  70. Affected versionversion=5.7.71
  71. Affected versionversion=5.7.72
  72. Affected versionversion=5.7.73
  73. Affected versionversion=5.7.74
  74. Affected versionversion=5.7.75
  75. Affected versionversion=5.7.76
  76. Affected versionversion=5.7.77
  77. Affected versionversion=5.7.78
  78. Affected versionversion=5.7.79
  79. Affected versionversion=5.7.8
  80. Affected versionversion=5.7.80
  81. Affected versionversion=5.7.81
  82. Affected versionversion=5.7.82
  83. Affected versionversion=5.7.83
  84. Affected versionversion=5.7.84
  85. Affected versionversion=5.7.85
  86. Affected versionversion=5.7.86
  87. Affected versionversion=5.7.87
  88. Affected versionversion=5.7.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Shanghai Zhuozhuo Network Technology Co., Ltd. (DesDev) · DedeCMSversion=5.7.0; version=5.7.1; version=5.7.10; version=5.7.11; version=5.7.12; version=5.7.13; version=5.7.14; version=5.7.15; version=5.7.16; version=5.7.17; version=5.7.18; version=5.7.19; version=5.7.2; version=5.7.20; version=5.7.21; version=5.7.22; version=5.7.23; version=5.7.24; version=5.7.25; version=5.7.26; version=5.7.27; version=5.7.28; version=5.7.29; version=5.7.3; version=5.7.30; version=5.7.31; version=5.7.32; version=5.7.33; version=5.7.34; version=5.7.35; version=5.7.36; version=5.7.37; version=5.7.38; version=5.7.39; version=5.7.4; version=5.7.40; version=5.7.41; version=5.7.42; version=5.7.43; version=5.7.44; version=5.7.45; version=5.7.46; version=5.7.47; version=5.7.48; version=5.7.49; version=5.7.5; version=5.7.50; version=5.7.51; version=5.7.52; version=5.7.53; version=5.7.54; version=5.7.55; version=5.7.56; version=5.7.57; version=5.7.58; version=5.7.59; version=5.7.6; version=5.7.60; version=5.7.61; version=5.7.62; version=5.7.63; version=5.7.64; version=5.7.65; version=5.7.66; version=5.7.67; version=5.7.68; version=5.7.69; version=5.7.7; version=5.7.70; version=5.7.71; version=5.7.72; version=5.7.73; version=5.7.74; version=5.7.75; version=5.7.76; version=5.7.77; version=5.7.78; version=5.7.79; version=5.7.8; version=5.7.80; version=5.7.81; version=5.7.82; version=5.7.83; version=5.7.84; version=5.7.85; version=5.7.86; version=5.7.87; version=5.7.9

Published CVSS scores

6.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.5VulDBAV:N/AC:L/Au:S/C:P/I:P/A:P

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.

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No observations available

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

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1505.003Server Software Component Web Shell

Public exploit references

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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