CVE-2021-25374

HIGHNVD 8.68.6—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.6 under NVD CVSS v3. EPSS exploit probability: 3.1%, top 14% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Elevated
8.6
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 8.6Exploit: NoneExposed: 0

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

An improper authorization vulnerability in Samsung Members "samsungrewards" scheme for deeplink in versions 2.4.83.9 in Android O(8.1) and below, and 3.9.00.9 in Android P(9.0) and above allows remote attackers to access a user data related with Samsung Account.

CVSS v3
8.6
EG Score
8.6(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity86% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
86.3%
KEV
Not listed

Published

April 9, 2021

Last Modified

November 21, 2024

References (4)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 13× 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 01:58 UTCEG score recompute
  2. 2026-07-22 22:45 UTCEG score recompute▲ 1.10
  3. 2026-07-22 14:06 UTCEPSS rescore
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  67. 2026-05-26 18:31 UTCGHSA enrichment
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCReversecLabs/CVE-2021-25374_Samsung-Account-Access
    First seen Apr 10, 2021

    This script can be used to gain access to a victim's Samsung Account if they have a specific version of Samsung Members installed on their Samsung Device, and if the victim's device is from the US or Korea region.

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-25374?
CVE-2021-25374 is a high vulnerability published on April 9, 2021. An improper authorization vulnerability in Samsung Members "samsungrewards" scheme for deeplink in versions 2.4.83.9 in Android O(8.1) and below, and 3.9.00.9 in Android P(9.0) and above allows remote attackers to access a user data related with Samsung Account.
When was CVE-2021-25374 disclosed?
CVE-2021-25374 was first published in the National Vulnerability Database on April 9, 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-2021-25374 actively exploited?
CVE-2021-25374 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 86.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-25374?
CVE-2021-25374 has a CVSS v3 base score of 8.6 (NVD).
How do I remediate CVE-2021-25374?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-25374, 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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