CVE-2021-23372
Denial of Service (DoS)
All versions of package mongo-express are vulnerable to Denial of Service (DoS) when exporting an empty collection as CSV, due to an unhandled exception, leading to a crash.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Denial of Service (DoS)
All versions of package mongo-express are vulnerable to Denial of Service (DoS) when exporting an empty collection as CSV, due to an unhandled exception, leading to a crash.
- Record
CVE-2021-23372- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
EUVDEUVD-2021-2220
All versions of package mongo-express are vulnerable to Denial of Service (DoS) when exporting an empty collection as CSV, due to an unhandled exception, leading to a crash.
- Record
EUVD-2021-2220- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m2r3-8492-vx59
Denial of Service (DoS) in mongo-express
All versions of package mongo-express are vulnerable to Denial of Service (DoS) when exporting an empty collection as CSV, due to an unhandled exception, leading to a crash.
- Record
GHSA-m2r3-8492-vx59- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-754
- Updated
- 2026-11-02
NVD
All versions of package mongo-express are vulnerable to Denial of Service (DoS) when exporting an empty collection as CSV, due to an unhandled exception, leading to a crash.
- Record
CVE-2021-23372- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H - 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 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-754
- Updated
- 2026-11-02
OSVGHSA-m2r3-8492-vx59
Denial of Service (DoS) in mongo-express
All versions of package mongo-express are vulnerable to Denial of Service (DoS) when exporting an empty collection as CSV, due to an unhandled exception, leading to a crash.
- Record
GHSA-m2r3-8492-vx59- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-754
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mongo-expressnpm |
through 0.54.0 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-23372 is a medium vulnerability (CVSS 4.4) in Mongo-express Project Mongo-express, published April 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 60th percentile. No source names a fixed version.