CVE-2020-12753

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

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

An issue was discovered on LG mobile devices with Android OS 7.2, 8.0, 8.1, 9, and 10 software. Arbitrary code execution can occur via the bootloader because of an EL1/EL3 coldboot vulnerability involving raw_resources. The LG ID is LVE-SMP-200006 (May 2020).

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
65(Track*)
EG Risk 65/100SSVC: 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%
Exploitation40% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
82.8%
KEV
Not listed

Published

May 11, 2020

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated May 27, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

New cold boot attack affects seven years of LG Android smartphones | ZDNET

https://www.zdnet.com/article/new-cold-boot-attack-affects-seven-years-of-lg-android-smartphones/
generic

LG Product Security

https://lgsecurity.lge.com/
generic🟡 PoC Available

[Segmentation Fault]

https://douevenknow.us/post/619763074822520832/an-el1el3-coldboot-vulnerability

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 43× 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 01:49 UTCEG score recompute
  2. 2026-07-22 22:33 UTCEG score recompute
  3. 2026-07-22 14:05 UTCEPSS rescore
  4. 2026-07-21 15:22 UTCEPSS rescore
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  1. 2026-07-05 02:27 UTCEPSS rescore
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  3. 2026-07-01 15:03 UTCEPSS rescore
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  5. 2026-06-30 23:20 UTCEPSS rescore
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  25. 2026-06-19 19:23 UTCEPSS rescore
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  40. 2026-06-10 22:16 UTCEPSS rescore
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  43. 2026-06-08 14:15 UTCEPSS rescore
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  45. 2026-06-07 15:23 UTCEPSS rescore
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  47. 2026-06-06 13:45 UTCEPSS rescore
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  50. 2026-06-05 22:45 UTCEPSS rescore
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  52. 2026-06-05 06:08 UTCEPSS rescore
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  55. 2026-06-02 20:11 UTCEPSS rescore
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  57. 2026-06-01 13:50 UTCEPSS rescore
  58. 2026-05-31 22:29 UTCEPSS rescore
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  62. 2026-05-29 13:42 UTCEPSS rescore
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  64. 2026-05-28 13:43 UTCEPSS rescore
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  66. 2026-05-27 13:39 UTCEPSS rescore
  67. 2026-05-27 03:44 UTCEG score recompute
  68. 2026-05-27 03:44 UTCGHSA enrichment
  69. 2026-05-26 13:42 UTCEPSS rescore
  70. 2026-05-26 13:42 UTCEPSS rescore
  71. 2026-05-26 07:17 UTCEPSS rescore
  72. 2026-05-26 07:17 UTCEPSS rescore

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 PoCshinyquagsire23/CVE-2020-12753-PoC
    First seen Jun 1, 2020

    A proof-of-concept for CVE-2020-12753

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2020-12753?
CVE-2020-12753 is a critical vulnerability published on May 11, 2020. An issue was discovered on LG mobile devices with Android OS 7.2, 8.0, 8.1, 9, and 10 software. Arbitrary code execution can occur via the bootloader because of an EL1/EL3 coldboot vulnerability involving raw_resources. The LG ID is LVE-SMP-200006 (May 2020).
When was CVE-2020-12753 disclosed?
CVE-2020-12753 was first published in the National Vulnerability Database on May 11, 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-2020-12753 actively exploited?
CVE-2020-12753 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-12753?
CVE-2020-12753 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2020-12753?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-12753, 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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