CVE-2017-20006
CVSS v3
7.8
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
UnRAR 5.6.1.2 and 5.6.1.3 has a heap-based buffer overflow in Unpack::CopyString (called from Unpack::Unpack5 and CmdExtract::ExtractCurrentFile).
Technical details
- Published
- 2021-07-01
Frequently asked questions
What is CVE-2017-20006?
UnRAR 5.6.1.2 and 5.6.1.3 has a heap-based buffer overflow in Unpack::CopyString (called from Unpack::Unpack5 and CmdExtract::ExtractCurrentFile).
Is CVE-2017-20006 actively exploited?
Active exploitation of CVE-2017-20006 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2017-20006?
CVE-2017-20006 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2017-20006 affecting your environment?
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