CVE-2020-5195
Last modified
CVE-2020-5195 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Reflected XSS through an IMG element in Cerberus FTP Server prior to versions 11.0.1 and 10.0.17 allows a remote attacker to execute arbitrary JavaScript or HTML via a crafted public folder URL. This occurs because of the folder_up.png IMG element not properly sanitizing user-inserted directory paths. EPSS estimates a 1.22% chance of exploitation in the next 30 days.
Description
Reflected XSS through an IMG element in Cerberus FTP Server prior to versions 11.0.1 and 10.0.17 allows a remote attacker to execute arbitrary JavaScript or HTML via a crafted public folder URL. This occurs because of the folder_up.png IMG element not properly sanitizing user-inserted directory paths. The path modification must be done on a publicly shared folder for a remote attacker to insert arbitrary JavaScript or HTML. The vulnerability impacts anyone who clicks the malicious link crafted by the attacker.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cerberusftp | Ftp Server | >= 10.0.0, < 10.0.17 |
| Cerberusftp | Ftp Server | >= 11.0.0, < 11.0.1 |
References
- https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-AnnouncementsRelease Notes, Vendor Advisory
- https://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilitiesThird Party Advisory
- https://support.cerberusftp.com/hc/en-us/community/topics/360000164199-AnnouncementsRelease Notes, Vendor Advisory
- https://www.doyler.net/security-not-included/cerberus-ftp-vulnerabilitiesThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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