CVE-2021-26639

WISA Smart Wing CMS File Download Vulnerability

HIGH

7.5

CVSS Score

Published: August 17, 2022 at 08:21 PM UTC

Updated: June 17, 2026 at 03:43 AM UTC

1 product affected across 1 vendorSmart Wing CMS· also runs on 1 platform

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Severity

HIGH7.5

Exploit prediction

EPSS 0.5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Smart Wing CMS · Wisa

95%

v < r18715.20211229

Affected range stops below r18715.20211229, so it looks safe — our inference, not a vendor statement

linux-linux-kernel (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Linux Kernel · Linux

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party Advisory

Source: [email protected]

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

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-20CWE-494

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