How severe is CVE-2023-31441?

CVE-2023-31441 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-31441 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31441?

CVE-2023-31441 affects Ncia Advisor Network. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31441?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-31441 published?

CVE-2023-31441 was published on 2023-07-18 and last updated on 2026-06-17.

CVE-2023-31441

CVE-2023-31441 is a medium-severity vulnerability in Ncia Advisor Network with a CVSS 3.x base score of 5.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Ncia Advisor Network
Published: 2023-07-18
Last modified: 2026-06-17

Description

In NATO Communications and Information Agency anet (aka Advisor Network) through 3.3.0, an attacker can provide a crafted JSON file to sanitizeJson and cause an exception. This is related to the U+FFFD Unicode replacement character. A for loop does not consider that a data structure is being modified during loop execution.

Frequently asked questions

What is CVE-2023-31441?: In NATO Communications and Information Agency anet (aka Advisor Network) through 3.3.0, an attacker can provide a crafted JSON file to sanitizeJson and cause an exception. This is related to the U+FFFD Unicode replacement character. A for loop does not consider that a data structure is being modified during loop execution.
How severe is CVE-2023-31441?: CVE-2023-31441 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-31441 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31441?: CVE-2023-31441 affects Ncia Advisor Network. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31441?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-31441 published?: CVE-2023-31441 was published on 2023-07-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ncia:advisor_network:*:*:*:*:*:*:*:*

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