CVE-2018-7939

MEDIUMNVD 4.64.6—
EchelonGraph scoreMEDIUM confidence

Score 4.6 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 4.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.6Exploit: None knownExposed: 0

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

Huawei smart phones G9 Lite, Honor 5A, Honor 6X, Honor 8 with the versions before VNS-L53C605B120CUSTC605D103, the versions before CAM-L03C605B143CUSTC605D008, the versions before CAM-L21C10B145, the versions before CAM-L21C185B156, the versions before CAM-L21C223B133, the versions before CAM-L21C432B210, the versions before CAM-L21C464B170, the versions before CAM-L21C636B245, the versions before Berlin-L21C10B372, the versions before Berlin-L21C185B363, the versions before Berlin-L21C464B137, the versions before Berlin-L23C605B161, the versions before FRD-L09C10B387, the versions before FRD-L09C185B387, the versions before FRD-L09C432B398, the versions before FRD-L09C636B387, the versions before FRD-L19C10B387, the versions before FRD-L19C432B399, the versions before FRD-L19C636B387 have a Factory Reset Protection (FRP) bypass security vulnerability. When re-configuring the mobile phone using the factory reset protection (FRP) function, an attacker can disable the boot wizard by enable the talkback function. As a result, the FRP function is bypassed.

CVSS v3
4.6
EG Score
4.6(medium)
EG Risk
25(Track)
EG Risk 25/100SSVC: 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
Severity46% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

September 12, 2018

Last Modified

November 21, 2024

References (2)

Data Freshness Timeline

(refreshed 7× in last 7d / 29× 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 118 total refreshes for this CVE.

  1. 2026-08-20 22:51 UTCEPSS rescore
  2. 2026-08-19 17:00 UTCEPSS rescore
  3. 2026-08-18 13:44 UTCEPSS rescore
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  1. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 14:15 UTCEPSS rescore
  3. 2026-07-23 01:37 UTCEG score recompute
  4. 2026-07-22 22:17 UTCEG score recompute
  5. 2026-07-22 14:05 UTCEPSS rescore
  6. 2026-07-21 15:22 UTCEPSS rescore
  7. 2026-07-20 17:04 UTCEPSS rescore
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  9. 2026-07-19 14:28 UTCEPSS rescore
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  13. 2026-07-16 16:59 UTCEPSS rescore
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  17. 2026-07-13 22:27 UTCEPSS rescore
  18. 2026-07-13 06:10 UTCEPSS rescore
  19. 2026-07-12 05:43 UTCEPSS rescore
  20. 2026-07-09 19:06 UTCEPSS rescore
  21. 2026-07-08 15:11 UTCEPSS rescore
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  23. 2026-07-07 13:42 UTCEPSS rescore
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  25. 2026-07-06 16:25 UTCEPSS rescore
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  27. 2026-07-06 02:20 UTCEPSS rescore
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  31. 2026-07-01 15:03 UTCEPSS rescore
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  33. 2026-06-30 23:20 UTCEPSS rescore
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  37. 2026-06-28 04:53 UTCEPSS rescore
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  39. 2026-06-27 03:06 UTCEPSS rescore
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  41. 2026-06-25 13:47 UTCEPSS rescore
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  43. 2026-06-24 14:02 UTCEPSS rescore
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  45. 2026-06-23 21:30 UTCEPSS rescore
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  47. 2026-06-22 14:23 UTCEPSS rescore
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  49. 2026-06-21 14:54 UTCEPSS rescore
  50. 2026-06-21 14:54 UTCEPSS rescore
  51. 2026-06-21 01:57 UTCEPSS rescore
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  53. 2026-06-19 19:23 UTCEPSS rescore
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  55. 2026-06-18 17:50 UTCEPSS rescore
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  60. 2026-06-15 17:45 UTCEPSS rescore
  61. 2026-06-14 23:15 UTCEPSS rescore
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  63. 2026-06-13 22:58 UTCEPSS rescore
  64. 2026-06-12 23:09 UTCEPSS rescore
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  66. 2026-06-11 13:57 UTCEPSS rescore
  67. 2026-06-10 22:16 UTCEPSS rescore
  68. 2026-06-10 13:19 UTCEPSS rescore
  69. 2026-06-08 14:14 UTCEPSS rescore
  70. 2026-06-07 15:22 UTCEPSS rescore
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  72. 2026-06-06 13:45 UTCEPSS rescore
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  74. 2026-06-05 22:45 UTCEPSS rescore
  75. 2026-06-05 22:45 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-7939?
CVE-2018-7939 is a medium vulnerability published on September 12, 2018. Huawei smart phones G9 Lite, Honor 5A, Honor 6X, Honor 8 with the versions before VNS-L53C605B120CUSTC605D103, the versions before CAM-L03C605B143CUSTC605D008, the versions before CAM-L21C10B145, the versions before CAM-L21C185B156, the versions before CAM-L21C223B133, the versions before…
When was CVE-2018-7939 disclosed?
CVE-2018-7939 was first published in the National Vulnerability Database on September 12, 2018, 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-2018-7939 actively exploited?
CVE-2018-7939 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 85.0% of all scored CVEs.
What is the CVSS score of CVE-2018-7939?
CVE-2018-7939 has a CVSS v3 base score of 4.6 (NVD).
How do I remediate CVE-2018-7939?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-7939, 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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