VulnerabilityModified

CVE-2021-26639

This vulnerability is caused by the lack of validation of input values for specific functions if WISA Smart Wing CMS.

HIGH 7.5EPSS 0.45%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.45% probability · 38th percentile
CISA KEV: Not listed
Weakness: CWE-20, CWE-494
Affected: wisa/smart wing cms
Source: vuln@krcert.or.kr

References

https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66875Third Party Advisory
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66875Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.