How severe is CVE-2023-23086?

CVE-2023-23086 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-2023-23086 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23086?

CVE-2023-23086 affects Mojojson Project Mojojson. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-23086?

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-2023-23086 published?

CVE-2023-23086 was published on 2023-02-03 and last updated on 2026-06-17.

CVE-2023-23086

CVE-2023-23086 is a critical-severity vulnerability in Mojojson Project Mojojson 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Mojojson Project Mojojson
Published: 2023-02-03
Last modified: 2026-06-17

Description

Buffer OverFlow Vulnerability in MojoJson v1.2.3 allows an attacker to execute arbitrary code via the SkipString function.

Frequently asked questions

What is CVE-2023-23086?: Buffer OverFlow Vulnerability in MojoJson v1.2.3 allows an attacker to execute arbitrary code via the SkipString function.
How severe is CVE-2023-23086?: CVE-2023-23086 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-2023-23086 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23086?: CVE-2023-23086 affects Mojojson Project Mojojson. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-23086?: 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-2023-23086 published?: CVE-2023-23086 was published on 2023-02-03 and last updated on 2026-06-17.

References

https://github.com/scottcgi/MojoJson/issues/2

Affected products (1)

cpe:2.3:a:mojojson_project:mojojson:1.2.3:*:*:*:*:*:*:*

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