How severe is CVE-2023-4990?

CVE-2023-4990 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-4990 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4990?

CVE-2023-4990 primarily affects Espeak-ng Espeak Ng. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-4990?

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-2023-4990 published?

CVE-2023-4990 was published on 2023-10-11 and last updated on 2026-06-17.

CVE-2023-4990

CVE-2023-4990 is a high-severity vulnerability in Espeak-ng Espeak Ng with a CVSS 3.x base score of 8.3. 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-22.

Key facts

Severity: High (CVSS 3.x base score 8.3)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Espeak-ng Espeak Ng
Published: 2023-10-11
Last modified: 2026-06-17

Description

Directory traversal vulnerability in MCL-Net versions prior to 4.6 Update Package (P01) may allow attackers to read arbitrary files.

Frequently asked questions

What is CVE-2023-4990?: Directory traversal vulnerability in MCL-Net versions prior to 4.6 Update Package (P01) may allow attackers to read arbitrary files.
How severe is CVE-2023-4990?: CVE-2023-4990 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-4990 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4990?: CVE-2023-4990 primarily affects Espeak-ng Espeak Ng. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-4990?: 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-2023-4990 published?: CVE-2023-4990 was published on 2023-10-11 and last updated on 2026-06-17.

References

https://www.mcl-mobilityplatform.com/downloads.php

Affected products (2)

cpe:2.3:a:espeak-ng:espeak_ng:*:*:*:*:*:*:*:*
cpe:2.3:o:mcl-collection:mcl-net_firmware:*:*:*:*:*:*:*:*

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