How severe is CVE-2025-66720?

CVE-2025-66720 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-66720 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-66720?

CVE-2025-66720 affects Free5gc Pcf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-66720?

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.

Does CVE-2025-66720 have an EU (EUVD) identifier?

Yes. CVE-2025-66720 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4247.

When was CVE-2025-66720 published?

CVE-2025-66720 was published on 2026-01-23 and last updated on 2026-06-17.

CVE-2025-66720

CVE-2025-66720 is a high-severity vulnerability in Free5gc Pcf with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4247
Weakness: CWE-476
Affected product: Free5gc Pcf
Published: 2026-01-23
Last modified: 2026-06-17

Description

Null pointer dereference in free5gc pcf 1.4.0 in file internal/sbi/processor/ampolicy.go in function HandleDeletePoliciesPolAssoId.

Frequently asked questions

What is CVE-2025-66720?: Null pointer dereference in free5gc pcf 1.4.0 in file internal/sbi/processor/ampolicy.go in function HandleDeletePoliciesPolAssoId.
How severe is CVE-2025-66720?: CVE-2025-66720 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-66720 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-66720?: CVE-2025-66720 affects Free5gc Pcf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-66720?: 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.
Does CVE-2025-66720 have an EU (EUVD) identifier?: Yes. CVE-2025-66720 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4247.
When was CVE-2025-66720 published?: CVE-2025-66720 was published on 2026-01-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:free5gc:pcf:1.4.0:*:*:*:*:*:*:*

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