CVE-2023-31621
An issue in the kc_var_col component of openlink virtuoso-opensource v7.2.9 allows attackers to...
An issue in the kc_var_col component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.
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
NVD Score used
An issue in the kc_var_col component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.
- Record
CVE-2023-31621- 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-89
- Updated
- 2026-11-02
CVE List
An issue in the kc_var_col component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.
- Record
CVE-2023-31621- 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-89
- Updated
- 2026-11-02
EUVDEUVD-2023-35917
An issue in the kc_var_col component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.
- Record
EUVD-2023-35917- 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 - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gm8r-g6c3-j2j8
An issue in the kc_var_col component of openlink virtuoso-opensource v7.2.9 allows attackers to...
An issue in the kc_var_col component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.
- Record
GHSA-gm8r-g6c3-j2j8- 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-89
- Updated
- 2026-11-02
OSV
An issue in the kc_var_col component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.
- Record
CVE-2023-31621- 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 - Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-31621
An issue in the kc_var_col component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.
- Record
DEBIAN-CVE-2023-31621- 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 - Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-31621
An issue in the kc_var_col component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.
- Record
UBUNTU-CVE-2023-31621- 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 - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
virtuoso-opensourceDebian:12 |
All versions, plus listed versions 7.2.12+dfsg-0.17.2.12+dfsg-0.27.2.12+dfsg-17.2.12+dfsg-27.2.12+dfsg-3 Show 7 moreShow less7.2.12+dfsg-47.2.5.1+dfsg1-0.37.2.5.1+dfsg1-0.47.2.5.1+dfsg1-0.57.2.5.1+dfsg1-0.67.2.5.1+dfsg1-0.77.2.5.1+dfsg1-0.8 |
None known |
virtuoso-opensourceDebian:13 |
before 7.2.12+dfsg-0.2 | 7.2.12+dfsg-0.2 |
virtuoso-opensourceDebian:14 |
before 7.2.12+dfsg-0.2 | 7.2.12+dfsg-0.2 |
virtuoso-opensourceUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 6.1.6+repack-0ubuntu46.1.6+repack-0ubuntu56.1.6+repack-0ubuntu5+esm16.1.6+repack-0ubuntu5+esm2 |
None known |
virtuoso-opensourceUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 6.1.6+repack-0ubuntu76.1.6+repack-0ubuntu96.1.6+repack-0ubuntu9+esm16.1.6+repack-0ubuntu9+esm2 |
None known |
virtuoso-opensourceUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 6.1.6+repack-0ubuntu106.1.6+repack-0ubuntu10+esm16.1.6+repack-0ubuntu10+esm2 |
None known |
virtuoso-opensourceUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 6.1.6+repack-0ubuntu127.2.5.1+dfsg1-0.27.2.5.1+dfsg1-0.2ubuntu0.1~esm17.2.5.1+dfsg1-0.2ubuntu0.1~esm2 |
None known |
virtuoso-opensourceUbuntu:Pro:24.04:LTS |
All versions, plus listed versions 7.2.5.1+dfsg1-0.3ubuntu17.2.5.1+dfsg1-0.4ubuntu17.2.5.1+dfsg1-0.5ubuntu17.2.5.1+dfsg1-0.6ubuntu17.2.5.1+dfsg1-0.6ubuntu2 Show 4 moreShow less7.2.5.1+dfsg1-0.87.2.5.1+dfsg1-0.8build17.2.5.1+dfsg1-0.8ubuntu0.1~esm17.2.5.1+dfsg1-0.8ubuntu0.1~esm2 |
None known |
virtuoso-opensourceUbuntu:25.10 |
All versions, plus listed versions 7.2.12+dfsg-1build17.2.12+dfsg-27.2.12+dfsg-2build17.2.12+dfsg-3 |
None known |
virtuoso-opensourceUbuntu:26.10 |
All versions, plus listed versions 7.2.12+dfsg-47.2.12+dfsg-4ubuntu17.2.12+dfsg-4ubuntu2 |
None known |
virtuoso-opensourceUbuntu:26.04:LTS |
All versions, plus listed versions 7.2.12+dfsg-37.2.12+dfsg-4 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-31621 is a high vulnerability (CVSS 7.5) in Openlinksw Virtuoso, published May 15, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 60th percentile. Fixed in virtuoso-opensource 7.2.12+dfsg-0.2.
References
github.com/openlink/virtuoso-opensource/issues/1130
nvd.nist.gov/vuln/detail/CVE-2023-31621
security-tracker.debian.org/tracker/CVE-2023-31621
ubuntu.com/security/CVE-2023-31621
cve.org/CVERecord?id=CVE-2023-31621