CVE-2020-25557
In CMSuno 1.6.2, an attacker can inject malicious PHP code as a "username" while changing his/her username & password.
Does this matter?
A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 10.0%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
In CMSuno 1.6.2, an attacker can inject malicious PHP code as a "username" while changing his/her username & password. After that, when attacker logs in to the application, attacker's code will be run. As a result of this vulnerability, authenticated user can run command on the server.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 9.97% probability · 96th percentile
- Public exploits
- 1 in Exploit-DB · first 28 January 2021
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- cmsuno project/cmsuno
- Source
- cve@mitre.org
EPSS 10.0% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/161162/CMSUno-1.6.2-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://fatihhcelik.blogspot.com/2020/09/cmsuno-162-remote-code-execution.htmlExploit, Third Party Advisory
- http://packetstormsecurity.com/files/161162/CMSUno-1.6.2-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://fatihhcelik.blogspot.com/2020/09/cmsuno-162-remote-code-execution.htmlExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.