CVE-2020-21503 Information

Description

waimai Super Cms 20150505 has a logic flaw allowing attackers to modify a price before form submission by observing data in a packet capture. By setting the index.php?m=gift&a=addsave credit parameter to -1 the product is sold for free.

CVSS Vector

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

Reference

https://github.com/caokang/waimai/issues/15

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5