How severe is CVE-2020-23172?

CVE-2020-23172 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-23172 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23172?

CVE-2020-23172 affects Kuba Project Kuba. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23172?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-23172 published?

CVE-2020-23172 was published on 2021-08-10 and last updated on 2026-06-17.

CVE-2020-23172

CVE-2020-23172 is a medium-severity vulnerability in Kuba Project Kuba with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Kuba Project Kuba
Published: 2021-08-10
Last modified: 2026-06-17

Description

A vulnerability in all versions of Kuba allows attackers to overwrite arbitrary files in arbitrary directories with crafted Zip files due to improper validation of file paths in .zip archives.

Frequently asked questions

What is CVE-2020-23172?: A vulnerability in all versions of Kuba allows attackers to overwrite arbitrary files in arbitrary directories with crafted Zip files due to improper validation of file paths in .zip archives.
How severe is CVE-2020-23172?: CVE-2020-23172 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-23172 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23172?: CVE-2020-23172 affects Kuba Project Kuba. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23172?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-23172 published?: CVE-2020-23172 was published on 2021-08-10 and last updated on 2026-06-17.

References

https://github.com/kuba--/zip/issues/123

Affected products (1)

cpe:2.3:a:kuba_project:kuba:*:*:*:*:*:*:*:*

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