Is CVE-2018-7937 in the CISA KEV catalog?

No. CVE-2018-7937 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-7937?

CVE-2018-7937 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2018-7937?

CVE-2018-7937 has an EPSS score of 0.84% (53th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-7937?

Upgrade hirouter-cd20 firmware to hirouter-cd20-10_1.9.6 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2018-7937

HIGH

7.8

CVSS v3

NVD

Description

In Huawei HiRouter-CD20-10 with the versions before 1.9.6 and WS5200-10 with the versions before 1.9.6, there is a plug-in signature bypass vulnerability due to insufficient plug-in verification. An attacker may tamper with a legitimate plug-in to build a malicious plug-in and trick users into installing it. Successful exploit could allow the attacker to obtain the root permission of the device and take full control over the device.

How to fix

Remediation Available

hirouter-cd20 firmwareNVD

Affected:< hirouter-cd20-10_1.9.6Fixed in:hirouter-cd20-10_1.9.6CVE-2018-7937derived from NVD

ws5200-10 firmwareNVD

Affected:< ws5200-10_1.9.6Fixed in:ws5200-10_1.9.6CVE-2018-7937derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.84%probability of exploitation in 30 days

53rdpercentile

Moderate risk: more likely to be exploited than 53% 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.