CVE-2025-8804
CVE-2025-8804 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-617.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- CVSS v4: 5.5
- EPSS exploit prediction: 1% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-24084
- Weakness: CWE-617
- Affected product: Open5gs
- Published:
- Last modified:
Description
A vulnerability was found in Open5GS up to 2.7.5. Affected by this vulnerability is the function ngap_build_downlink_nas_transport of the component AMF. The manipulation leads to reachable assertion. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The identifier of the patch is bca0a7b6e01d254f4223b83831162566d4626428. It is recommended to upgrade the affected component.
Frequently asked questions
- What is CVE-2025-8804?
- A vulnerability was found in Open5GS up to 2.7.5. Affected by this vulnerability is the function ngap_build_downlink_nas_transport of the component AMF. The manipulation leads to reachable assertion. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The identifier of the patch is bca0a7b6e01d254f4223b83831162566d4626428. It is recommended to upgrade the affected component.
- How severe is CVE-2025-8804?
- CVE-2025-8804 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-2025-8804 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-8804?
- CVE-2025-8804 affects Open5gs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-8804?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-8804 have an EU (EUVD) identifier?
- Yes. CVE-2025-8804 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24084.
- When was CVE-2025-8804 published?
- CVE-2025-8804 was published on 2025-08-10 and last updated on 2026-06-17.
References
- https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8804
- https://github.com/open5gs/open5gs/commit/bca0a7b6e01d254f4223b83831162566d4626428
- https://github.com/open5gs/open5gs/issues/3950
- https://github.com/open5gs/open5gs/issues/3950#issuecomment-3034693457
- https://github.com/open5gs/open5gs/releases/tag/v2.7.6
- https://github.com/user-attachments/files/21030801/newdata_for_ngap.zip
- https://vuldb.com/?ctiid.319333
- https://vuldb.com/?id.319333
- https://vuldb.com/?submit.625698
- https://vuldb.com/?submit.626124
Affected products (1)
- cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
More vulnerabilities in Open5gs
- CVE-2024-40130 — Critical (CVSS 9.8): open5gs v2.6.4 is vulnerable to Buffer Overflow. via /lib/core/abts.c.
- CVE-2024-40129 — Critical (CVSS 9.8): Open5GS v2.6.4 is vulnerable to Buffer Overflow. via /lib/pfcp/context.c.
- CVE-2021-28122 — Critical (CVSS 9.8): A request-validation issue was discovered in Open5GS 2.1.3 through 2.2.x before 2.2.1. The WebUI component allows an…
- CVE-2021-25863 — High (CVSS 8.8): Open5GS 2.1.3 listens on 0.0.0.0:3000 and has a default password of 1423 for the admin account.
- CVE-2024-24429 — High (CVSS 8.6): A reachable assertion in the nas_eps_send_emm_to_esm function of Open5GS <= 2.6.4 allows attackers to cause a Denial of…
- CVE-2024-34235 — High (CVSS 8.6): Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over…
Other CWE-617 (Reachable Assertion) vulnerabilities
- CVE-2020-3615 — Critical (CVSS 9.8): Valid deauth/disassoc frames is dropped in case if RMF is enabled and some rouge peer keep on sending rogue…
- CVE-2019-9795 — Critical (CVSS 9.8): A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by…
- CVE-2026-31739 — High (CVSS 8.8): In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - Add missing CRYPTO_ALG_ASYNC The…
- CVE-2020-12417 — High (CVSS 8.8): Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in…
- CVE-2020-6623 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.
- CVE-2020-6619 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.