CVE-2020-10870

CVE-2020-10870 is a medium-severity vulnerability in Zim-wiki Zim 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-330.

Key facts

Description

Zim through 0.72.1 creates temporary directories with predictable names. A malicious user could predict and create Zim's temporary directories and prevent other users from being able to start Zim, resulting in a denial of service.

Frequently asked questions

What is CVE-2020-10870?
Zim through 0.72.1 creates temporary directories with predictable names. A malicious user could predict and create Zim's temporary directories and prevent other users from being able to start Zim, resulting in a denial of service.
How severe is CVE-2020-10870?
CVE-2020-10870 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-10870 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10870?
CVE-2020-10870 affects Zim-wiki Zim. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10870?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-10870 published?
CVE-2020-10870 was published on 2020-03-23 and last updated on 2026-06-17.

References

Affected products (1)

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