CVE-2019-6503
CVSS v3
9.8
CRITICAL
EPSS Score
2.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute commands during server-side deserialization by uploading maliciously constructed files. This is related to the TemplateController.java impsave method and the MainUtils toObject method.
Technical details
- Published
- 2019-01-22
Frequently asked questions
What is CVE-2019-6503?
There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute commands during server-side deserialization by uploading maliciously constructed files. This is related to the TemplateController.java impsave method and the MainUtils toObject method.
Is CVE-2019-6503 actively exploited?
Active exploitation of CVE-2019-6503 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-6503?
CVE-2019-6503 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2019-6503 affecting your environment?
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