TI-2021-20554 Aliases CVE-2021-45467 GHSA-4xcw-rcp3-wq4p

In CWP (aka Control Web Panel or CentOS Web Panel) before 0.9.8.1107, an unauthenticated…

CRITICAL 86CWE-862Published 2022-12-26 · Updated 2025-04-12

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

In CWP (aka Control Web Panel or CentOS Web Panel) before 0.9.8.1107, an unauthenticated attacker can use %00 bytes to cause /user/loader.php to register an arbitrary API key, as demonstrated by a /user/loader.php?api=1&scripts= .%00./.%00./api/account_new_create&acc=guadaapi URI. Any number of %00 instances can be used, e.g., .%00%00%00./.%00%00%00./api/account_new_create could also be used for the scripts parameter.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.70745 99th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:control-webpanel:webpanel::::::::	before 0.9.8.1107	Vulnerable	Control Web Panel

cpe:2.3:a:control-webpanel:webpanel:*:*:*:*:*:*:*:* Versions before 0.9.8.1107 Vulnerable ·Control Web Panel

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-45467
2026-10-03 Alias added: GHSA-4xcw-rcp3-wq4p

References

Exploit 1

https://octagon.net/blog/2022/01/22/cve-2021-45467-cwp-centos-web-panel-preauth-rce/

Advisory 1

https://control-webpanel.com/changelog

TI-2022-22082 login/index.php in CWP (aka Control Web Panel or CentOS Web Panel) 7 before 0.9.8.1147… KEVCVSS 3.1CRITICAL 9.8
TI-2025-30935 OS command injection in CentOS Web Panel KEVCVSS 3.1CRITICAL 9.0
TI-2021-20553 In CWP (aka Control Web Panel or CentOS Web Panel) before 0.9.8.1107, attackers can make… CVSS 3.1CRITICAL 9.8
TI-2022-08811 A path traversal vulnerability in loader.php of CWP v0.9.8.1122 allows attackers to… CVSS 3.1CRITICAL 9.8
TI-2018-12942 CentOS-WebPanel.com (aka CWP) CentOS Web Panel 0.9.8.480 has Local File Inclusion via… CVSS 3.0HIGH 7.5
TI-2021-11476 The unprivileged user portal part of CentOS Web Panel is affected by a Command Injection… CVSS 3.1CRITICAL 9.8

See all 84 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences