High severity · published Jan 22, 2021
CVE-2021-22847
Hyweb HyCMS-J1's API fail to filter POST request parameters
8.8
CVSS
1.7%
EPSS
No
On KEV
Description
Hyweb HyCMS-J1's API fail to filter POST request parameters. Remote attackers can inject SQL syntax and execute commands without privilege.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HY
Hycms-j1 · Hyweb
through 7.4.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22847
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22847
Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-4316-298fc-1.html
More from Hycms-j1
5.4
CVE-2021-22849
Hyweb HyCMS-J1 backend editing function does not filter special characters