CVE-2021-22860

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 2.6%, top 17% 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.

EIC e-document system does not perform completed identity verification for sorting and filtering personnel data. The vulnerability allows remote attacker to obtain users’ credential information without logging in the system, and further acquire the privileged permissions and execute arbitrary commends.

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
83.4%
KEV
Not listed

Published

March 17, 2021

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Jun 29, 2026
No patch confirmed yet. Sources: cert.
cert

傑印資訊 筆硯公文系統 - Broken Authentication-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-132-4518-c813c-1.html
generic

CVE-2021-22860｜中華資安國際 CHT Security Co., Ltd.

https://www.chtsecurity.com/news/12929036-924b-4b89-8a0e-3e7155e19011
generic

EXCELLENT INFOTEK BiYan Broken Authentication · GitHub

https://gist.github.com/tonykuo76/17d497b3472a80a5e8914227e81e6fa3

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× 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.

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

  1. 2026-07-25 14:15 UTCEPSS rescore
  2. 2026-07-24 14:15 UTCEPSS rescore
  3. 2026-07-23 14:15 UTCEPSS rescore
  4. 2026-07-23 01:57 UTCEG score recompute
  5. 2026-07-22 22:44 UTCEG score recompute
  6. 2026-07-22 14:05 UTCEPSS rescore
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  1. 2026-07-07 13:43 UTCEPSS rescore
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  11. 2026-06-30 23:20 UTCEPSS rescore
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  22. 2026-06-24 14:03 UTCEPSS rescore
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  24. 2026-06-23 21:31 UTCEPSS rescore
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  28. 2026-06-21 01:58 UTCEPSS rescore
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  30. 2026-06-19 19:24 UTCEPSS rescore
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  41. 2026-06-11 13:58 UTCEPSS rescore
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  44. 2026-06-10 13:20 UTCEPSS rescore
  45. 2026-06-08 14:15 UTCEPSS rescore
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  47. 2026-06-07 15:23 UTCEPSS rescore
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  49. 2026-06-06 13:46 UTCEPSS rescore
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  69. 2026-05-27 13:39 UTCEPSS rescore
  70. 2026-05-26 13:42 UTCEPSS rescore
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  72. 2026-05-26 07:17 UTCEPSS rescore
  73. 2026-05-26 07:17 UTCEPSS rescore
  74. 2026-05-24 16:49 UTCEPSS rescore
  75. 2026-05-23 08:00 UTCEG score recompute

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Frequently asked(5)

What is CVE-2021-22860?
CVE-2021-22860 is a critical vulnerability published on March 17, 2021. EIC e-document system does not perform completed identity verification for sorting and filtering personnel data. The vulnerability allows remote attacker to obtain users’ credential information without logging in the system, and further acquire the privileged permissions and execute arbitrary…
When was CVE-2021-22860 disclosed?
CVE-2021-22860 was first published in the National Vulnerability Database on March 17, 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-2021-22860 actively exploited?
CVE-2021-22860 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-22860?
CVE-2021-22860 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2021-22860?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22860, 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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