Is CVE-2020-9253 in the CISA KEV catalog?

No. CVE-2020-9253 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-9253?

CVE-2020-9253 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2020-9253?

CVE-2020-9253 has an EPSS score of 0.23% (14th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-9253?

Upgrade lion-al00c firmware to 10.1.0.150(c00e136r5p3) or later.

CVE & CISA-KEV Catalog

CVE-2020-9253

MEDIUM

6.3

CVSS v3

NVD

Description

There is a stack overflow vulnerability in some Huawei smart phone. An attacker can craft specific packet to exploit this vulnerability. Due to insufficient verification, this could be exploited to tamper with the information to affect the availability. (Vulnerability ID: HWPSIRT-2019-11030) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9253.

CWE-121Stack-based Buffer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

lion-al00c firmwareNVD

Affected:< 10.1.0.150(c00e136r5p3)Fixed in:10.1.0.150(c00e136r5p3)CVE-2020-9253derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.23%probability of exploitation in 30 days

14thpercentile

Low risk: more likely to be exploited than 14% of all known CVEs.

References

Vendor Advisory1

huawei.com

Related Vulnerabilities

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2009-0927	High	8.8	97%	KEV	Fix
CVE-2020-10924	High	8.8	87%	-	-
CVE-2022-20705	Critical	10.0	80%	-	-

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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 2025-01-13.