CVE-2021-39002
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5...
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.9
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
- Record
CVE-2021-39002- CVSS 3.0
- 5.9 Medium
CVSS:3.0/A:N/UI:N/S:U/AV:N/PR:N/C:H/AC:H/I:N/E:U/RC:C/RL:O - Updated
- 2026-11-02
EUVDEUVD-2021-25439
5.9
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
- Record
EUVD-2021-25439- CVSS 3.0
- 5.9 Medium
CVSS:3.0/A:N/UI:N/S:U/AV:N/PR:N/C:H/AC:H/I:N/E:U/RC:C/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-79jv-mx3j-g9vr No score
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5...
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
- Record
GHSA-79jv-mx3j-g9vr- Weakness
- CWE-327
- Updated
- 2026-11-02
NVD
7.5
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
- Record
CVE-2021-39002- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-327
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| 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-2021-39002 is a medium vulnerability (CVSS 5.9) in Ibm Db2, published December 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. No source names a fixed version.