CVE-2017-18349
parseObject in Fastjson before 1.2.25, as used in FastjsonEngine in Pippo 1.11.0 and other products, allows remote attackers to execute arbitrary code via a crafted JSON request, as demonstrated by a crafted rmi:// URI in the dataSourceName field of…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 38.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
parseObject in Fastjson before 1.2.25, as used in FastjsonEngine in Pippo 1.11.0 and other products, allows remote attackers to execute arbitrary code via a crafted JSON request, as demonstrated by a crafted rmi:// URI in the dataSourceName field of HTTP POST data to the Pippo /json URI, which is mishandled in AjaxApplication.java.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 38.84% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- alibaba/fastjson · pippo/pippo
- Source
- cve@mitre.org
EPSS moved from 16.8% on 21 September 2026 to 38.8% on 27 October 2026, peaking at 39.2% on 22 September 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://fortiguard.com/encyclopedia/ips/44059Mitigation, Third Party Advisory
- https://github.com/alibaba/fastjson/wiki/security_update_20170315Mitigation, Third Party Advisory
- https://github.com/pippo-java/pippo/issues/466Exploit, Third Party Advisory
- https://fortiguard.com/encyclopedia/ips/44059Mitigation, Third Party Advisory
- https://github.com/alibaba/fastjson/wiki/security_update_20170315Mitigation, Third Party Advisory
- https://github.com/pippo-java/pippo/issues/466Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.