CVE-2021-4217

EPSS 0.6%CWE-476

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Aug 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.

Affected products

n/a · unzip

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References

https://access.redhat.com/security/cve/CVE-2021-4217 https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077 https://bugzilla.redhat.com/show_bug.cgi?id=2044583