CVE-2022-4257

CRITICALNVD 6.39.8▲
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-12-01. NVD baseline CVSS 6.3; sources differ by 3.5.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 44%CVSS: 6.3Exploit: Elevated riskExposed services: Not assessed

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

A vulnerability was found in C-DATA Web Management System. It has been rated as critical. This issue affects some unknown processing of the file cgi-bin/jumpto.php of the component GET Parameter Handler. The manipulation of the argument hostname leads to argument injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-214631.

CVSS v3
6.3
EG Score
9.8CRITICALmedium confidence
EG Risk
62
EG Risk 62/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation44% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
44%
EPSS %ILE
98th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

December 1, 2022

Last Modified

November 21, 2024

References (4)

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 17× 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 139 total refreshes for this CVE.

  1. 2026-10-09 20:05 UTCEPSS rescore
  2. 2026-10-08 17:05 UTCEPSS rescore
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  8. 2026-09-30 16:06 UTCEG score recompute
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  30. 2026-07-23 02:14 UTCEG score recompute
  31. 2026-07-22 23:02 UTCEG score recompute
  32. 2026-07-22 14:06 UTCEPSS rescore
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  73. 2026-06-18 17:51 UTCEPSS rescore
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  75. 2026-06-17 17:51 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2022-4257?
CVE-2022-4257 is a critical vulnerability published on December 1, 2022. A vulnerability was found in C-DATA Web Management System. It has been rated as critical. This issue affects some unknown processing of the file cgi-bin/jumpto.php of the component GET Parameter Handler. The manipulation of the argument hostname leads to argument injection. The attack may be…
When was CVE-2022-4257 disclosed?
CVE-2022-4257 was first published on December 1, 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-2022-4257 actively exploited?
CVE-2022-4257 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 44% probability of exploitation in the next 30 days (98th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2022-4257?
CVE-2022-4257 has a CVSS v3 base score of 6.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8 (CRITICAL).
How do I remediate CVE-2022-4257?
No fix for CVE-2022-4257 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

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