Is CVE-2020-9117 in the CISA KEV catalog?

No. CVE-2020-9117 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-9117?

CVE-2020-9117 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2020-9117?

CVE-2020-9117 has an EPSS score of 0.25% (16th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-9117?

Upgrade nova 4 firmware to 10.0.0.165(c01e34r2p4) or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-9117

HIGH

7.8

CVSS v3

NVD

Description

HUAWEI nova 4 versions earlier than 10.0.0.165(C01E34R2P4) and SydneyM-AL00 versions earlier than 10.0.0.165(C00E66R1P5) have an out-of-bounds read and write vulnerability. An attacker with specific permissions crafts malformed packet with specific parameter and sends the packet to the affected products. Due to insufficient validation of packet, which may be exploited to cause the information leakage or arbitrary code execution.

CWE-125Out-of-bounds Read CWE-787Out-of-bounds Write

How to fix

Remediation Available

nova 4 firmwareNVD

Affected:< 10.0.0.165(c01e34r2p4)Fixed in:10.0.0.165(c01e34r2p4)CVE-2020-9117derived from NVD

sydneym-al00 firmwareNVD

Affected:< 10.0.0.165(c00e66r1p5)Fixed in:10.0.0.165(c00e66r1p5)CVE-2020-9117derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.25%probability of exploitation in 30 days

16thpercentile

Low risk: more likely to be exploited than 16% of all known CVEs.

References

Vendor Advisory1

huawei.com

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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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.