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🛡️ CVE-2023-27558 — db2

🟠 CVSS 8.4 — High ✅ No Known Exploit CWE-269 NVD
8.4
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

IBM Db2 on Windows 10.5, 11.1, and 11.5 may be vulnerable to a privilege escalation caused by at least one installed service using an unquoted service path. A local attacker could exploit this vulnerability to gain elevated privileges by inserting an executable file in the path of the affected service. IBM X-Force ID: 249194.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Local — a local account, shell or session on the host is needed.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2023-27558 is classified as CWE-269: Improper Privilege Management. Privileges are assigned, dropped or restored incorrectly, leaving an actor with more access than intended.

Affected software

CVE-2023-27558 is recorded against 1 package.

  • db2

Timeline and source

Published on 10 July 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

exchange.xforce.ibmcloud.com
security.netapp.com
www.ibm.com
exchange.xforce.ibmcloud.com
security.netapp.com
www.ibm.com

Other advisories for this package

db2 has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-269: Improper Privilege Management) in other software:

Details

Severity HIGH
CVSS Score 8.4
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-269
Public Exploit ✅ No
Source NVD
Published 2023-07-10
Updated 2026-08-20
Modified 2026-06-17

Affected Packages

Software From version Fixed in
db2 — —

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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