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No exploitation reported

CVE-2021-23430

No exploitation reported by the sources we read.

  • Published2021-08-24
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

All versions of package startserver are vulnerable to Directory Traversal due to missing sanitization.

Timeline

dates in UTC
  1. 2021-08-2408:15CVE publishedNVD

Versions per branch

OSV · NVD
startserver
BranchAffectedFixed in
1.4≤ 1.4.1no fix published
Startserver project startserver
BranchAffectedFixed in
—all versionsno fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.17.5known since 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • NVDweakness (CWE)CWE-22read 2026-10-23
  • FIRST EPSSEPSS score1.8 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2021-08-25

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2021-08-24
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-hqv3-qq72-78cv

Frequently asked questions

What is CVE-2021-23430?

All versions of package startserver are vulnerable to Directory Traversal due to missing sanitization.

Is CVE-2021-23430 actively exploited?

Active exploitation of CVE-2021-23430 has not been confirmed. Its EPSS score was 1.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-23430?

CVE-2021-23430 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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