What’s Vulnerable › Vulnerabilities

CVE-2020-10870

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-23 · updated 2026-06-17
• Weakness: CWE-330

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.

Affected products

• Zim-Wiki Zim: through 0.72.1

References

• https://github.com/zim-desktop-wiki/zim-desktop-wiki/issues/1028
• https://github.com/zim-desktop-wiki/zim-desktop-wiki/issues/1028

Get alerted when CVE-2020-10870 or the next vulnerability affects your stack