CVE-2021-23430
Directory Traversal
All versions of package startserver are vulnerable to Directory Traversal due to missing sanitization.
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
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Directory Traversal
All versions of package startserver are vulnerable to Directory Traversal due to missing sanitization.
- Record
CVE-2021-23430- 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/E:P - Updated
- 2026-11-02
EUVDEUVD-2021-2077
All versions of package startserver are vulnerable to Directory Traversal due to missing sanitization.
- Record
EUVD-2021-2077- 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/E:P - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hqv3-qq72-78cv
Directory Traversal in startserver
All versions of package startserver are vulnerable to Directory Traversal due to missing sanitization.
- Record
GHSA-hqv3-qq72-78cv- 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 - Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
All versions of package startserver are vulnerable to Directory Traversal due to missing sanitization.
- Record
CVE-2021-23430- 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 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVGHSA-hqv3-qq72-78cv
Directory Traversal in startserver
All versions of package startserver are vulnerable to Directory Traversal due to missing sanitization.
- Record
GHSA-hqv3-qq72-78cv- 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 - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
startservernpm |
through 1.4.1 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| 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-2021-23430 is a high vulnerability (CVSS 7.5) in Startserver Project Startserver, published August 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.78%, the 78th percentile. No source names a fixed version.