# CVE-2025-52322: CVE-2025-52322

Status: published. Published: 2025-09-09. Updated: 2026-11-07.

An issue in Open5GS v2.7.2 and before allows a remote attacker to cause a denial of service via a crafted Create Session Request message to the SMF (PGW-C), using the IP address of a legitimate UE in the PDN Address Allocation (PAA) field

## Remediation

No remediation reported in collected sources

## Affected products and versions

- open5gs / open5gs: ≤ 2.7.2 (affected, custom). Source: NVD

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*",
            "versionEndIncluding": "2.7.2",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; source: NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation poc; automatable yes; technical impact partial; source NVD SSVC: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- Weaknesses: CWE-400

## Exploit evidence

- exploit: https://github.com/open5gs/open5gs/discussions/3919 (cve@mitre.org)
- exploit: https://github.com/open5gs/open5gs/discussions/3919 (134c704f-9b21-4f2e-91b3-4a467353bcc0)

## References

- https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-52322 (cve@mitre.org; Third Party Advisory)

- https://github.com/open5gs/open5gs/discussions/3919 (cve@mitre.org; Exploit, Issue Tracking)

- https://github.com/open5gs/open5gs/discussions/3919 (134c704f-9b21-4f2e-91b3-4a467353bcc0; Exploit, Issue Tracking)

## Provenance

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-52322; retrieved 2026-11-07; source updated 2026-11-07

Revision: 77de760dc6c14b94fbf96ecef44b8ae7a2f270fe2749a461fe9871582bf3745e

Canonical: https://y2.dev/cve/CVE-2025-52322

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