Is CVE-2018-7939 in the CISA KEV catalog?

No. CVE-2018-7939 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-7939?

CVE-2018-7939 has a CVSS v3 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2018-7939?

CVE-2018-7939 has an EPSS score of 0.24% (15th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-7939?

Upgrade g9 lite firmware to vns-l53c605b120custc605d103 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2018-7939

MEDIUM

4.6

CVSS v3

NVD

Description

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.

How to fix

Remediation Available

g9 lite firmwareNVD

Affected:< vns-l53c605b120custc605d103Fixed in:vns-l53c605b120custc605d103CVE-2018-7939derived from NVD

honor 5aNVD

Affected:< cam-l21c464b170Fixed in:cam-l21c464b170CVE-2018-7939derived from NVD

honor 5a firmwareNVD

Affected:< cam-l21c636b245Fixed in:cam-l21c636b245CVE-2018-7939derived from NVD

honor 6x firmwareNVD

Affected:< berlin-l23c605b161Fixed in:berlin-l23c605b161CVE-2018-7939derived from NVD

honor 8 firmwareNVD

Affected:< frd-l19c636b387Fixed in:frd-l19c636b387CVE-2018-7939derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

0.24%probability of exploitation in 30 days

15thpercentile

Low risk: more likely to be exploited than 15% of all known CVEs.

References

Vendor Advisory1

huawei.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.