CVE-2020-1831

LOWNVD 2.42.4—
EchelonGraph scoreMEDIUM confidence

This low-severity CVE scores 2.4 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 90% 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
2.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 2.4Exploit: NoneExposed: 0

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

HUAWEI Mate 20 smartphones with versions earlier than 10.0.0.195(SP31C00E74R3P8) have an improper authorization vulnerability. The digital balance function does not sufficiently restrict the using time of certain user, successful exploit could allow the user break the limit of digital balance function after a series of operations with a PC.

CVSS v3
2.4
EG Score
2.4(medium)
EG Risk
15(Track)
EG Risk 15/100SSVC: 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
Severity24% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
9.6%
KEV
Not listed

Published

May 29, 2020

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 14× in last 7d / 46× 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 01:50 UTCEG score recompute
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  71. 2026-05-23 03:40 UTCEG score recompute
  72. 2026-05-23 03:40 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2020-1831?
CVE-2020-1831 is a low vulnerability published on May 29, 2020. HUAWEI Mate 20 smartphones with versions earlier than 10.0.0.195(SP31C00E74R3P8) have an improper authorization vulnerability. The digital balance function does not sufficiently restrict the using time of certain user, successful exploit could allow the user break the limit of digital balance…
When was CVE-2020-1831 disclosed?
CVE-2020-1831 was first published in the National Vulnerability Database on May 29, 2020, 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-2020-1831 actively exploited?
CVE-2020-1831 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-1831?
CVE-2020-1831 has a CVSS v3 base score of 2.4 (NVD).
How do I remediate CVE-2020-1831?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-1831, 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.

Dependency Blast Radius

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