Is CVE-2023-1900 in the CISA KEV catalog?

No. CVE-2023-1900 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-1900?

CVE-2023-1900 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2023-1900?

CVE-2023-1900 has an EPSS score of 0.30% (22th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-1900?

Upgrade antivirus to 1.0.2303.633 or later.

CVE & CISA-KEV Catalog

CVE-2023-1900

HIGH

7.8

CVSS v3

NVD

Description

A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-service situation. Issue was fixed with Endpointprotection.exe version 1.0.2303.633

CWE-190Integer Overflow

How to fix

Remediation Available

antivirusNVD

Affected:< 1.0.2303.633Fixed in:1.0.2303.633CVE-2023-1900derived 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

0.30%probability of exploitation in 30 days

22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Third-Party Advisory1

support.norton.com

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	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 2025-02-05.