VULNERABILITY INTELLIGENCE

CVE-2020-21503

CVSS score7.5 HIGH
EPSS probability1.05%
CISA KEVNot currently listed
Published2021-10-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-668

Primary references