CVE-2021-29703
Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of...
Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server terminates abnormally when executing a specially crafted SELECT statement. IBM X-Force ID: 200659.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server terminates abnormally when executing a specially crafted SELECT statement. IBM X-Force ID: 200659.
- Record
CVE-2021-29703- CVSS 3.0
- 7.5 High
CVSS:3.0/S:U/C:N/AV:N/PR:N/AC:L/I:N/UI:N/A:H/RL:O/E:U/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-16177
Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server terminates abnormally when executing a specially crafted SELECT statement. IBM X-Force ID: 200659.
- Record
EUVD-2021-16177- CVSS 3.0
- 7.5 High
CVSS:3.0/S:U/C:N/AV:N/PR:N/AC:L/I:N/UI:N/A:H/RL:O/E:U/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rcvp-h4ff-375m
Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of...
Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server terminates abnormally when executing a specially crafted SELECT statement. IBM X-Force ID: 200659.
- Record
GHSA-rcvp-h4ff-375m- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
NVD
Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server terminates abnormally when executing a specially crafted SELECT statement. IBM X-Force ID: 200659.
- Record
CVE-2021-29703- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - 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-2021-29703 is a high vulnerability (CVSS 7.5) 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 1.69%, the 77th percentile. No source names a fixed version.