CVE-2020-25538
An authenticated attacker can inject malicious code into "lang" parameter in /uno/central.php...
CVE-2020-25538 is a high vulnerability (CVSS 8.8) in Cmsuno Project Cmsuno, published November 13, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 9.97%, the 95th percentile. No source names a fixed version.
- Severity
- 8.8 HighCVSS 3.1, NVD
- Exploit chance
- 9.97%EPSS, 95th percentile
- Exploitation
- None known1 public exploit
- Fixed in
- No fix listedNo source names one
Description
An authenticated attacker can inject malicious code into "lang" parameter in /uno/central.php file in CMSuno 1.6.2 and run this PHP code in the web page. In this way, attacker can takeover the control of the server.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | CMSUno 1.6.2 - 'lang' Remote Code Execution (Authenticated) | 2021-01-28 |
What each source reports
NVD Score used
An authenticated attacker can inject malicious code into "lang" parameter in /uno/central.php file in CMSuno 1.6.2 and run this PHP code in the web page. In this way, attacker can takeover the control of the server.
- Record
CVE-2020-25538- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE ListNo score
An authenticated attacker can inject malicious code into "lang" parameter in /uno/central.php file in CMSuno 1.6.2 and run this PHP code in the web page. In this way, attacker can takeover the control of the server.
- Record
CVE-2020-25538- Updated
- 2026-11-02
EUVDEUVD-2020-18223No score
An authenticated attacker can inject malicious code into "lang" parameter in /uno/central.php file in CMSuno 1.6.2 and run this PHP code in the web page. In this way, attacker can takeover the control of the server.
- Record
EUVD-2020-18223- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5vc8-f4x6-cg96No score
An authenticated attacker can inject malicious code into "lang" parameter in /uno/central.php...
An authenticated attacker can inject malicious code into "lang" parameter in /uno/central.php file in CMSuno 1.6.2 and run this PHP code in the web page. In this way, attacker can takeover the control of the server.
- Record
GHSA-5vc8-f4x6-cg96- Weakness
- CWE-77
- Updated
- 2026-11-02
OSV
An authenticated attacker can inject malicious code into "lang" parameter in /uno/central.php file in CMSuno 1.6.2 and run this PHP code in the web page. In this way, attacker can takeover the control of the server.
- Record
CVE-2020-25538- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
