CVE-2021-29777
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, under specific circumstance of a table being dropped while being accessed in another session, could allow an authenticated user to cause a denial of srevice IBM X-Force ID: 203031.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5, under specific circumstance of a table being dropped while being accessed in another session, could allow an authenticated user to cause a denial of srevice IBM X-Force ID: 203031.
- Record
CVE-2021-29777- CVSS 3.0
- 5.3 Medium
CVSS:3.0/UI:N/A:H/I:N/AV:N/PR:L/AC:H/S:U/C:N/RC:C/E:U/RL:O - Updated
- 2026-11-02
EUVDEUVD-2021-16251
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5, under specific circumstance of a table being dropped while being accessed in another session, could allow an authenticated user to cause a denial of srevice IBM X-Force ID: 203031.
- Record
EUVD-2021-16251- CVSS 3.0
- 5.3 Medium
CVSS:3.0/UI:N/A:H/I:N/AV:N/PR:L/AC:H/S:U/C:N/RC:C/E:U/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9f36-9vf2-jjwh 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, under specific circumstance of a table being dropped while being accessed in another session, could allow an authenticated user to cause a denial of srevice IBM X-Force ID: 203031.
- Record
GHSA-9f36-9vf2-jjwh- Weakness
- CWE-829
- Updated
- 2026-11-02
NVD
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5, under specific circumstance of a table being dropped while being accessed in another session, could allow an authenticated user to cause a denial of srevice IBM X-Force ID: 203031.
- Record
CVE-2021-29777- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-829
- 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-2021-29777 is a medium vulnerability (CVSS 5.3) 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 1.37%, the 72nd percentile. No source names a fixed version.