CVE-2021-32840
CVSS v3
9.8
CRITICAL
EPSS Score
1.5 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Prior to version 1.3.3, a TAR file entry `../evil.txt` may be extracted in the parent directory of `destFolder`. This leads to arbitrary file write that may lead to code execution. The vulnerability was patched in version 1.3.3.
Technical details
- Published
- 2022-01-26
Frequently asked questions
What is CVE-2021-32840?
SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Prior to version 1.3.3, a TAR file entry `../evil.txt` may be extracted in the parent directory of `destFolder`. This leads to arbitrary file write that may lead to code execution. The vulnerability was patched in version 1.3.3.
Is CVE-2021-32840 actively exploited?
Active exploitation of CVE-2021-32840 has not been confirmed. The EPSS score is 1.5%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-32840?
CVE-2021-32840 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-32840 affecting your environment?
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