CVE-2020-21503

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/caokang/waimai/issues/15 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-21503?
CVE-2020-21503 has been scored as a high severity vulnerability.
How to fix CVE-2020-21503?
To fix CVE-2020-21503, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-21503 being actively exploited in the wild?
It is possible that CVE-2020-21503 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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