CVE-2021-47722Public exploitNetwork attack vector

Access-control manipulation via unchecked state-changing requests

Published Dec 23, 2025 · Updated Apr 7, 2026

Cross-site request forgery in Zucchetti Axess CLOKI 1.64 allows attackers to alter physical access settings through a malicious web page. The /redirect.cgi handler accepts state-changing parameters, including ACtrl and flagAccessControlChanged, without validating request authenticity. An authenticated administrator's browser must load attacker-controlled content; the forged request can enable or disable access control and change privileged account passwords.

CVSS severity5.1
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in Zucchetti Axess CLOKI 1.64 allows attackers to alter physical access settings through a malicious web page. The /redirect.cgi handler accepts state-changing parameters, including ACtrl and flagAccessControlChanged, without validating request authenticity. An authenticated administrator's browser must load attacker-controlled content; the forged request can enable or disable access control and change privileged account passwords.

The record

CVE
CVE-2021-47722
Published
Dec 23, 2025
Updated
Apr 7, 2026
Vendor
Zucchetti Axess
Product
CLOKI
Classifications
CWE-352, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 23, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 7, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.64

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Zucchetti Axess · CLOKIversion=1.64

Published CVSS scores

3.5VulnCheck CNACVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
5.1VulnCheck CNACVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1189Drive-by Compromise

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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