High severity · published Aug 17, 2022
CVE-2021-26639
This vulnerability is caused by the lack of validation of input values for specific functions if WISA Smart Wing CMS
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
This vulnerability is caused by the lack of validation of input values for specific functions if WISA Smart Wing CMS. Remote attackers can use this vulnerability to leak all files in the server without logging in system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SW
Smart Wing Cms · Wisa
before r18715.20211229 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26639
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26639
Third Party Advisory
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66875
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