CVE-2025-63617 json
ktg-mes before commit a484f96 (2025-07-03) has a fastjson deserialization vulnerability.
published last yr. modified 4mo ago also EUVD-2025-50782
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
Summary
ktg-mes before commit a484f96 (2025-07-03) has a fastjson deserialization vulnerability. This is because it uses a vulnerable version of fastjson and deserializes unsafe input data.
Patch / fix
- kutangguo ktg-mes 2025-10-08
Is CVE-2025-63617 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 11mo ago
Exploit prediction
0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/ChangeYourWay/post/blob/main/ktg-mes.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
github.com
/ChangeYourWay/post/blob/main/ktg-mes.md
exploit, third-party-advisory
-
gist.github.com
/ChangeYourWay/8651679a2155269bccf520fcb34fc661
third-party-advisory
Sources
- CVE List CVE-2025-63617
- NVD CVE-2025-63617
Fencer Intel 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.