CVE-2020-21554 — HIGH (8.1)

Vulnerability Description

A File Deletion vulnerability exists in TinyShop 3.1.1 in the back_list parameter in controllers\admin.php, which could let a malicious user delete any file such as install.lock to reinstall cms.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tinyrise	Tinyshop	3.1.1

References

http://tinyrise.com/Broken Link
http://tinyrise.com/down.htmlBroken Link
https://imgur.com/dg1DM5TExploitThird Party Advisory
https://imgur.com/pA8OWxaExploitThird Party Advisory
http://tinyrise.com/Broken Link
http://tinyrise.com/down.htmlBroken Link
https://imgur.com/dg1DM5TExploitThird Party Advisory
https://imgur.com/pA8OWxaExploitThird Party Advisory

FAQ

What is CVE-2020-21554?

CVE-2020-21554 is a vulnerability with a CVSS score of 8.1 (HIGH). A File Deletion vulnerability exists in TinyShop 3.1.1 in the back_list parameter in controllers\admin.php, which could let a malicious user delete any file such as install.lock to reinstall cms.

How severe is CVE-2020-21554?

CVE-2020-21554 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-21554?

Check the references section above for vendor advisories and patch information. Affected products include: Tinyrise Tinyshop.