CVE-2023-7093Public exploit

Local privilege escalation via download-speed parameter

Published Dec 24, 2023 · Updated Aug 28, 2024

OS command injection in Ubuntu Kylin kylin-system-updater through 2.0.5.16-0k2.33 allows local users to execute operating-system commands. An undisclosed function in UpgradeStrategiesDbus.py incorporates the externally supplied SetDownloadspeedMax argument into an OS command without neutralizing command syntax. A low-privileged local user must reach the com.kylin.systemupgrade D-Bus service, and injected commands run in that service's security context.

CVSS severity5.3
Medium
EPSS probability0.95%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Ubuntu Kylin kylin-system-updater through 2.0.5.16-0k2.33 allows local users to execute operating-system commands. An undisclosed function in UpgradeStrategiesDbus.py incorporates the externally supplied SetDownloadspeedMax argument into an OS command without neutralizing command syntax. A low-privileged local user must reach the com.kylin.systemupgrade D-Bus service, and injected commands run in that service's security context.

The record

CVE
CVE-2023-7093
Published
Dec 24, 2023
Updated
Aug 28, 2024
Vendor
Ubuntu Kylin
Product
kylin-system-updater
Classifications
CWE-78, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 24, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 2024Record 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=2.0.5.16-0k2.0
  2. Affected versionversion=2.0.5.16-0k2.1
  3. Affected versionversion=2.0.5.16-0k2.10
  4. Affected versionversion=2.0.5.16-0k2.11
  5. Affected versionversion=2.0.5.16-0k2.12
  6. Affected versionversion=2.0.5.16-0k2.13
  7. Affected versionversion=2.0.5.16-0k2.14
  8. Affected versionversion=2.0.5.16-0k2.15
  9. Affected versionversion=2.0.5.16-0k2.16
  10. Affected versionversion=2.0.5.16-0k2.17
  11. Affected versionversion=2.0.5.16-0k2.18
  12. Affected versionversion=2.0.5.16-0k2.19
  13. Affected versionversion=2.0.5.16-0k2.2
  14. Affected versionversion=2.0.5.16-0k2.20
  15. Affected versionversion=2.0.5.16-0k2.21
  16. Affected versionversion=2.0.5.16-0k2.22
  17. Affected versionversion=2.0.5.16-0k2.23
  18. Affected versionversion=2.0.5.16-0k2.24
  19. Affected versionversion=2.0.5.16-0k2.25
  20. Affected versionversion=2.0.5.16-0k2.26
  21. Affected versionversion=2.0.5.16-0k2.27
  22. Affected versionversion=2.0.5.16-0k2.28
  23. Affected versionversion=2.0.5.16-0k2.29
  24. Affected versionversion=2.0.5.16-0k2.3
  25. Affected versionversion=2.0.5.16-0k2.30
  26. Affected versionversion=2.0.5.16-0k2.31
  27. Affected versionversion=2.0.5.16-0k2.32
  28. Affected versionversion=2.0.5.16-0k2.33
  29. Affected versionversion=2.0.5.16-0k2.4
  30. Affected versionversion=2.0.5.16-0k2.5
  31. Affected versionversion=2.0.5.16-0k2.6
  32. Affected versionversion=2.0.5.16-0k2.7
  33. Affected versionversion=2.0.5.16-0k2.8
  34. Affected versionversion=2.0.5.16-0k2.9

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Ubuntu Kylin · kylin-system-updaterversion=2.0.5.16-0k2.0; version=2.0.5.16-0k2.1; version=2.0.5.16-0k2.10; version=2.0.5.16-0k2.11; version=2.0.5.16-0k2.12; version=2.0.5.16-0k2.13; version=2.0.5.16-0k2.14; version=2.0.5.16-0k2.15; version=2.0.5.16-0k2.16; version=2.0.5.16-0k2.17; version=2.0.5.16-0k2.18; version=2.0.5.16-0k2.19; version=2.0.5.16-0k2.2; version=2.0.5.16-0k2.20; version=2.0.5.16-0k2.21; version=2.0.5.16-0k2.22; version=2.0.5.16-0k2.23; version=2.0.5.16-0k2.24; version=2.0.5.16-0k2.25; version=2.0.5.16-0k2.26; version=2.0.5.16-0k2.27; version=2.0.5.16-0k2.28; version=2.0.5.16-0k2.29; version=2.0.5.16-0k2.3; version=2.0.5.16-0k2.30; version=2.0.5.16-0k2.31; version=2.0.5.16-0k2.32; version=2.0.5.16-0k2.33; version=2.0.5.16-0k2.4; version=2.0.5.16-0k2.5; version=2.0.5.16-0k2.6; version=2.0.5.16-0k2.7; version=2.0.5.16-0k2.8; version=2.0.5.16-0k2.9

Published CVSS scores

7.8NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
5.3VulDBCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
4.3VulDBAV:L/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.

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)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1068Exploitation for Privilege Escalation

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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