RCE in Cmsuno Project

CVE-2020-25557

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.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.099 (95.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-25557?
CVE-2020-25557 is a high-severity vulnerability in Cmsuno Project, classified under Code Injection. CVSS score: 8.8/10. Published 2020-11-13.
How severe is CVE-2020-25557?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-25557 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.