CVE-2020-21503 — HIGH (7.5)

Vulnerability 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 Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Waimai Super Cms Project	Waimai Super Cms	20150505

Related Weaknesses (CWE)

CWE-668

References

https://github.com/caokang/waimai/issues/15ExploitThird Party Advisory
https://github.com/caokang/waimai/issues/15ExploitThird Party Advisory

FAQ

What is CVE-2020-21503?

CVE-2020-21503 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 paramet...

How severe is CVE-2020-21503?

CVE-2020-21503 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-21503?

Check the references section above for vendor advisories and patch information. Affected products include: Waimai Super Cms Project Waimai Super Cms.