How severe is CVE-2025-15529?

CVE-2025-15529 has a CVSS 3.x base score of 5.3, rated medium 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 low.

Is CVE-2025-15529 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-15529?

CVE-2025-15529 affects Open5gs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-15529?

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

Does CVE-2025-15529 have an EU (EUVD) identifier?

Yes. CVE-2025-15529 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206295.

When was CVE-2025-15529 published?

CVE-2025-15529 was published on 2026-01-16 and last updated on 2026-06-17.

CVE-2025-15529

CVE-2025-15529 is a medium-severity vulnerability in Open5gs with a CVSS 3.x base score of 5.3. 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-404.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
CVSS v4: 5.5
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206295
Weakness: CWE-404
Affected product: Open5gs
Published: 2026-01-16
Last modified: 2026-06-17

Description

A vulnerability was found in Open5GS up to 2.7.6. Affected by this issue is the function sgwc_s5c_handle_create_session_response of the file src/sgwc/s5c-handler.c. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The patch is named b19cf6a2dbf5d30811be4488bf059c865bd7d1d2. To fix this issue, it is recommended to deploy a patch.

Frequently asked questions

What is CVE-2025-15529?: A vulnerability was found in Open5GS up to 2.7.6. Affected by this issue is the function sgwc_s5c_handle_create_session_response of the file src/sgwc/s5c-handler.c. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The patch is named b19cf6a2dbf5d30811be4488bf059c865bd7d1d2. To fix this issue, it is recommended to deploy a patch.
How severe is CVE-2025-15529?: CVE-2025-15529 has a CVSS 3.x base score of 5.3, rated medium 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 low.
Is CVE-2025-15529 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-15529?: CVE-2025-15529 affects Open5gs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-15529?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-15529 have an EU (EUVD) identifier?: Yes. CVE-2025-15529 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206295.
When was CVE-2025-15529 published?: CVE-2025-15529 was published on 2026-01-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

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