How severe is CVE-2023-4383?

CVE-2023-4383 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-4383 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4383?

CVE-2023-4383 affects Escanav Escan Anti-virus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4383?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-4383 published?

CVE-2023-4383 was published on 2023-08-16 and last updated on 2026-06-17.

CVE-2023-4383

CVE-2023-4383 is a high-severity vulnerability in Escanav Escan Anti-virus with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Escanav Escan Anti-virus
Published: 2023-08-16
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, was found in MicroWorld eScan Anti-Virus 7.0.32 on Linux. This affects an unknown part of the file runasroot. The manipulation leads to incorrect execution-assigned permissions. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-237315. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2023-4383?: A vulnerability, which was classified as critical, was found in MicroWorld eScan Anti-Virus 7.0.32 on Linux. This affects an unknown part of the file runasroot. The manipulation leads to incorrect execution-assigned permissions. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-237315. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2023-4383?: CVE-2023-4383 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-4383 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4383?: CVE-2023-4383 affects Escanav Escan Anti-virus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4383?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-4383 published?: CVE-2023-4383 was published on 2023-08-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:escanav:escan_anti-virus:7.0.32:*:*:*:*:linux:*:*

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