CVE-2021-37912

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 2.8%, top 15% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 9.8Exploit: NoneExposed: 0

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

The HGiga OAKlouds mobile portal does not filter special characters of the Ethernet number parameter of the network interface card setting page. Remote attackers can use this vulnerability to perform command injection and execute arbitrary commands in the system without logging in.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
50(Track)
EG Risk 50/100SSVC: 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
Severity98% × 45%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
85.1%
KEV
Not listed

Published

September 15, 2021

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jul 8, 2026
No patch confirmed yet. Sources: cert.
cert

HGiga OAKlouds行動入口網 - Command Injection-1-TWCERT/CC台灣電腦網路危機處理暨協調中心|企業資安通報協處|資安情資分享|漏洞通報|資安聯盟|資安電子報

https://www.twcert.org.tw/tw/cp-132-5091-7e0c5-1.html

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 15× in last 7d / 44× 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. 2026-07-24 14:15 UTCEPSS rescore
  2. 2026-07-23 14:16 UTCEPSS rescore
  3. 2026-07-23 14:16 UTCEPSS rescore
  4. 2026-07-23 02:03 UTCEG score recompute
  5. 2026-07-22 22:49 UTCEG score recompute
  6. 2026-07-22 14:06 UTCEPSS rescore
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  1. 2026-07-09 19:07 UTCEPSS rescore
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  3. 2026-07-07 13:43 UTCEPSS rescore
  4. 2026-07-06 16:25 UTCEPSS rescore
  5. 2026-07-06 02:21 UTCEPSS rescore
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  8. 2026-07-04 06:29 UTCEPSS rescore
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  17. 2026-06-27 03:06 UTCEPSS rescore
  18. 2026-06-25 13:48 UTCEPSS rescore
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  20. 2026-06-24 14:03 UTCEPSS rescore
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  22. 2026-06-23 21:31 UTCEPSS rescore
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  24. 2026-06-22 14:24 UTCEPSS rescore
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  26. 2026-06-19 19:24 UTCEPSS rescore
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  28. 2026-06-18 17:51 UTCEPSS rescore
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  43. 2026-06-07 15:23 UTCEPSS rescore
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  45. 2026-06-06 13:46 UTCEPSS rescore
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  57. 2026-05-31 22:29 UTCEPSS rescore
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  61. 2026-05-29 13:42 UTCEPSS rescore
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  68. 2026-05-26 13:42 UTCEPSS rescore
  69. 2026-05-26 10:18 UTCEG score recompute
  70. 2026-05-26 10:18 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2021-37912?
CVE-2021-37912 is a critical vulnerability published on September 15, 2021. The HGiga OAKlouds mobile portal does not filter special characters of the Ethernet number parameter of the network interface card setting page. Remote attackers can use this vulnerability to perform command injection and execute arbitrary commands in the system without logging in.
When was CVE-2021-37912 disclosed?
CVE-2021-37912 was first published in the National Vulnerability Database on September 15, 2021, 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-2021-37912 actively exploited?
CVE-2021-37912 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-37912?
CVE-2021-37912 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2021-37912?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-37912, 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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