CVE-2020-23172: A vulnerability in all versions of Kuba allows attackers to overwrite arbitrary files in arbitrary directories
CVE-2020-23172 is a medium-severity flaw (CVSS 5.5) affecting kuba. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.7% (top 45%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2021-08-10 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-23172?
kuba: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2020-23172 being exploited?
CVE-2020-23172 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-23172 affect?
CVE-2020-23172 affects kuba. Severity is medium (CVSS 5.5). 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 urgent is CVE-2020-23172?
Priority 38/100. Public exploit reference