CVE-2020-4945
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an...
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945.
- Record
CVE-2020-4945- CVSS 3.0
- 6.5 Medium
CVSS:3.0/A:N/UI:N/I:H/AC:L/PR:L/AV:N/C:N/S:U/RL:O/E:U/RC:C - Updated
- 2026-11-02
EUVDEUVD-2020-26192
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945.
- Record
EUVD-2020-26192- CVSS 3.0
- 6.5 Medium
CVSS:3.0/A:N/UI:N/I:H/AC:L/PR:L/AV:N/C:N/S:U/RL:O/E:U/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fhg4-xhw8-92hr No score
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an...
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945.
- Record
GHSA-fhg4-xhw8-92hr- Weakness
- CWE-732
- Updated
- 2026-11-02
NVD
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945.
- Record
CVE-2020-4945- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.5 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:P - Weakness
- CWE-732
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-4945 is a medium vulnerability (CVSS 6.5) in Ibm Db2, published June 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. No source names a fixed version.