CVE-2018-4073

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 25%CVSS: 8.8Exploit: NoneExposed: 0

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

An exploitable Permission Assignment vulnerability exists in the ACEManager EmbeddedAceSet_Task.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The the binary the endpoint /cgi-bin/Embeded_Ace_TLSet_Task.cgi is a very similar endpoint that is designed for use with setting table values that can cause an arbitrary setting writes, resulting in the unverified changes to any system setting. An attacker can make an authenticated HTTP request, or run the binary as any user, to trigger this vulnerability.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: Track

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
Severity88% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
97.7%
KEV
Not listed

Published

May 6, 2019

Last Modified

November 21, 2024

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 42× 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.

  1. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 14:15 UTCEPSS rescore
  3. 2026-07-23 01:36 UTCEG score recompute
  4. 2026-07-22 22:16 UTCEG score recompute
  5. 2026-07-22 14:05 UTCEPSS rescore
  6. 2026-07-21 15:22 UTCEPSS rescore
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  1. 2026-07-04 06:28 UTCEPSS rescore
  2. 2026-07-01 15:03 UTCEPSS rescore
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  4. 2026-06-30 23:20 UTCEPSS rescore
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  6. 2026-06-29 14:03 UTCEPSS rescore
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  8. 2026-06-28 04:53 UTCEPSS rescore
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  14. 2026-06-24 14:02 UTCEPSS rescore
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  16. 2026-06-23 21:30 UTCEPSS rescore
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  18. 2026-06-22 14:23 UTCEPSS rescore
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  21. 2026-06-21 01:57 UTCEPSS rescore
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  23. 2026-06-19 19:23 UTCEPSS rescore
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  25. 2026-06-18 17:50 UTCEPSS rescore
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  34. 2026-06-13 22:58 UTCEPSS rescore
  35. 2026-06-12 23:09 UTCEPSS rescore
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  37. 2026-06-11 13:57 UTCEPSS rescore
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  39. 2026-06-10 13:19 UTCEPSS rescore
  40. 2026-06-08 14:14 UTCEPSS rescore
  41. 2026-06-08 14:14 UTCEPSS rescore
  42. 2026-06-07 15:22 UTCEPSS rescore
  43. 2026-06-07 15:22 UTCEPSS rescore
  44. 2026-06-06 13:45 UTCEPSS rescore
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  46. 2026-06-05 22:45 UTCEPSS rescore
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  50. 2026-06-02 20:11 UTCEPSS rescore
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  52. 2026-05-31 22:29 UTCEPSS rescore
  53. 2026-05-31 00:14 UTCEPSS rescore
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  55. 2026-05-29 13:41 UTCEPSS rescore
  56. 2026-05-28 13:42 UTCEPSS rescore
  57. 2026-05-28 13:42 UTCEPSS rescore
  58. 2026-05-27 19:52 UTCEG score recompute
  59. 2026-05-27 19:52 UTCGHSA enrichment
  60. 2026-05-27 13:38 UTCEPSS rescore
  61. 2026-05-27 13:38 UTCEPSS rescore
  62. 2026-05-26 07:17 UTCEPSS rescore
  63. 2026-05-26 07:17 UTCEPSS rescore
  64. 2026-05-24 07:36 UTCOSV refresh

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Frequently asked(5)

What is CVE-2018-4073?
CVE-2018-4073 is a high vulnerability published on May 6, 2019. An exploitable Permission Assignment vulnerability exists in the ACEManager EmbeddedAceSetTask.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The the binary the endpoint /cgi-bin/EmbededAceTLSetTask.cgi is a very similar endpoint that is designed for use with setting table values that…
When was CVE-2018-4073 disclosed?
CVE-2018-4073 was first published in the National Vulnerability Database on May 6, 2019, 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-2018-4073 actively exploited?
CVE-2018-4073 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-4073?
CVE-2018-4073 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2018-4073?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-4073, 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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