CVE-2025-8800 json
Open5GS AMF esm-handler.c esm_handle_pdn_connectivity_request denial of service
published 2025-08-10 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24080
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
A vulnerability has been found in Open5GS up to 2.7.5. Affected by this issue is the function esm_handle_pdn_connectivity_request of the file src/mme/esm-handler.c of the component AMF Component. The manipulation leads to denial of service. The attack may be launched remotely. Upgrading to version 2.7.6 is able to address this issue. The name of the patch is 701505102f514cbde2856cd2ebc9bedb7efc820d. It is recommended to upgrade the affected component.
Patch / fix
- n/a Open5GS 2.7.6
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 14 mo ago
Exploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/open5gs/open5gs/issues/3980 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C |
| CNA | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C |
| CNA | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:OF/RC:C |
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- n/a Open5GS
Classification
- Weakness
-
- CWE-404 Improper Resource Shutdown or Release
References
-
github.com
/open5gs/open5gs/commit/701505102f514cbde2856cd2ebc9bedb7efc820d
patch
-
github.com
/open5gs/open5gs/releases/tag/v2.7.6
patch, release-notes
-
github.com
/open5gs/open5gs/issues/3980
issue-tracking, exploit
-
vuldb.com
/?id.319328
vdb-entry, technical-description, third-party-advisory
-
vuldb.com
/?ctiid.319328
signature, permissions-required, vdb-entry
-
vuldb.com
/?submit.626113
third-party-advisory, vdb-entry
-
github.com
/open5gs/open5gs/issues/3980#issuecomment-3054894281
issue-tracking
-
github.com
/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8800
related
Sources
- CVE List CVE-2025-8800
- NVD CVE-2025-8800
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.