Is CVE-2020-1837 in the CISA KEV catalog?

No. CVE-2020-1837 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-1837?

CVE-2020-1837 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2020-1837?

CVE-2020-1837 has an EPSS score of 0.27% (18th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-1837?

Upgrade changxiang 8 plus firmware to 9.1.0.136(c00e121r1p6t8) or later.

CVE & CISA-KEV Catalog

CVE-2020-1837

MEDIUM

5.3

CVSS v3

NVD

Description

ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.

How to fix

Remediation Available

changxiang 8 plus firmwareNVD

Affected:< 9.1.0.136(c00e121r1p6t8)Fixed in:9.1.0.136(c00e121r1p6t8)CVE-2020-1837derived 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 VectorAdjacent

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.27%probability of exploitation in 30 days

18thpercentile

Low risk: more likely to be exploited than 18% 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.