CVE-2021-43103
CVSS v3
7.2
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A File Upload vulnerability exists in bbs 5.3 is via ForumManageAction.java in a GetType function, which lets a remote malicious user execute arbitrary code.
Technical details
- Published
- 2022-03-28
Frequently asked questions
What is CVE-2021-43103?
A File Upload vulnerability exists in bbs 5.3 is via ForumManageAction.java in a GetType function, which lets a remote malicious user execute arbitrary code.
Is CVE-2021-43103 actively exploited?
Active exploitation of CVE-2021-43103 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-43103?
CVE-2021-43103 has a CVSS v3 base score of 7.2 (HIGH severity).
Is CVE-2021-43103 affecting your environment?
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