How severe is CVE-2018-14043?

CVE-2018-14043 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-14043 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14043?

CVE-2018-14043 affects Monetra Mstdlib. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14043?

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

When was CVE-2018-14043 published?

CVE-2018-14043 was published on 2018-07-13 and last updated on 2026-06-17.

CVE-2018-14043

CVE-2018-14043 is a critical-severity vulnerability in Monetra Mstdlib with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Monetra Mstdlib
Published: 2018-07-13
Last modified: 2026-06-17

Description

mstdlib (aka the M Standard Library for C) 1.2.0 has incorrect file access control in situations where M_fs_perms_can_access attempts to delete an existing file (that lacks public read/write access) during a copy operation, related to fs/m_fs.c and fs/m_fs_path.c. An attacker could create the file and then would have access to the data.

Frequently asked questions

What is CVE-2018-14043?: mstdlib (aka the M Standard Library for C) 1.2.0 has incorrect file access control in situations where M_fs_perms_can_access attempts to delete an existing file (that lacks public read/write access) during a copy operation, related to fs/m_fs.c and fs/m_fs_path.c. An attacker could create the file and then would have access to the data.
How severe is CVE-2018-14043?: CVE-2018-14043 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-14043 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14043?: CVE-2018-14043 affects Monetra Mstdlib. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14043?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-14043 published?: CVE-2018-14043 was published on 2018-07-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:monetra:mstdlib:1.2.0:*:*:*:*:*:*:*

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