CVE-2021-4280

MEDIUMNVD 4.36.5▲
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2022-12-25. NVD baseline CVSS 4.3; sources differ by 2.2.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 4.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability was found in styler_praat_scripts. It has been classified as problematic. Affected is an unknown function of the file file_segmenter.praat of the component Slash Handler. The manipulation leads to denial of service. It is possible to launch the attack remotely. The name of the patch is 0cad44aa4a3eb0ecdba071c10eaff16023d8b35f. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-216780.

CVSS v3
4.3
EG Score
6.5(medium)
EG Risk
—
EPSS
48.6%
KEV
Not listed

Published

December 25, 2022

Last Modified

November 21, 2024

References (6)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 49× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 101 total refreshes for this CVE.

  1. 2026-07-22 22:51 UTCEG score recompute
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Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-4280?
CVE-2021-4280 is a medium vulnerability published on December 25, 2022. A vulnerability was found in stylerpraatscripts. It has been classified as problematic. Affected is an unknown function of the file file_segmenter.praat of the component Slash Handler. The manipulation leads to denial of service. It is possible to launch the attack remotely. The name of the patch…
When was CVE-2021-4280 disclosed?
CVE-2021-4280 was first published in the National Vulnerability Database on December 25, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-4280 actively exploited?
CVE-2021-4280 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 48.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-4280?
CVE-2021-4280 has a CVSS v3 base score of 4.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 6.5.
How do I remediate CVE-2021-4280?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-4280, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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