How severe is CVE-2023-4320?

CVE-2023-4320 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.

Is CVE-2023-4320 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4320?

CVE-2023-4320 affects Redhat Satellite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4320?

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-2023-4320 published?

CVE-2023-4320 was published on 2023-12-18 and last updated on 2026-06-17.

CVE-2023-4320

CVE-2023-4320 is a high-severity vulnerability in Redhat Satellite with a CVSS 3.x base score of 7.6. 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-613.

Key facts

Severity: High (CVSS 3.x base score 7.6)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-613
Affected product: Redhat Satellite
Published: 2023-12-18
Last modified: 2026-06-17

Description

An arithmetic overflow flaw was found in Satellite when creating a new personal access token. This flaw allows an attacker who uses this arithmetic overflow to create personal access tokens that are valid indefinitely, resulting in damage to the system's integrity.

Frequently asked questions

What is CVE-2023-4320?: An arithmetic overflow flaw was found in Satellite when creating a new personal access token. This flaw allows an attacker who uses this arithmetic overflow to create personal access tokens that are valid indefinitely, resulting in damage to the system's integrity.
How severe is CVE-2023-4320?: CVE-2023-4320 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.
Is CVE-2023-4320 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4320?: CVE-2023-4320 affects Redhat Satellite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4320?: 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-2023-4320 published?: CVE-2023-4320 was published on 2023-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:satellite:*:*:*:*:*:*:*:*

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