CVE-2021-45467
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=…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 70.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 70.75% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-862
- Affected
- control-webpanel/webpanel
- Source
- cve@mitre.org
References
- https://control-webpanel.com/changelogRelease Notes, Vendor Advisory
- https://octagon.net/blog/2022/01/22/cve-2021-45467-cwp-centos-web-panel-preauth-rce/Exploit, Third Party Advisory
- https://control-webpanel.com/changelogRelease Notes, Vendor Advisory
- https://octagon.net/blog/2022/01/22/cve-2021-45467-cwp-centos-web-panel-preauth-rce/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.