CVE-2021-45916

SUN & MOON RISE CO., LTD. Shockwall - Improper Input Validation

LOW

3.5

CVSS Score

Published: January 3, 2022 at 10:10 AM UTC

Updated: June 17, 2026 at 04:14 AM UTC

2 products affected across 2 vendorsShenwang Endpoint Protection Security SystemShockwall

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Severity

LOW3.5

Exploit prediction

EPSS 0.3%

Description

The programming function of Shockwall system has an improper input validation vulnerability. An authenticated attacker within the local area network can send malicious response to the server to disrupt the service partially.

Affected

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

Shenwang Endpoint Protection Security System · Smr

95%

v < 7.20.0401

Affected range stops below 7.20.0401, so it looks safe — our inference, not a vendor statement

Shockwall · Sun and Moon Rise

60%

v < 7.20.0401

Affected range stops below 7.20.0401, so it looks safe — our inference, not a vendor statement

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.twcert.org.tw/tw/cp-132-5432-b9074-1.html

CVSS

3.5LOWtwcert

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-20

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