CVE-2020-11546
SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the...
SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this behavior to execute arbitrary PHP code via Code Injection.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this behavior to execute arbitrary PHP code via Code Injection.
- Record
CVE-2020-11546- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE List No score
SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this behavior to execute arbitrary PHP code via Code Injection.
- Record
CVE-2020-11546- Updated
- 2026-11-02
EUVDEUVD-2020-3897 No score
SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this behavior to execute arbitrary PHP code via Code Injection.
- Record
EUVD-2020-3897- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rjp2-9xwv-c3mp No score
SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the...
SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this behavior to execute arbitrary PHP code via Code Injection.
- Record
GHSA-rjp2-9xwv-c3mp- Weakness
- CWE-74
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | SuperWebmailer 7.21.0.01526 - Remote Code Execution | |
| PoC in GitHub | Official-BlackHat13/CVE-2020-11546 | 2021-12-27 |
| PoC in GitHub | damit5/CVE-2020-11546 | 2021-12-29 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-11546 is a critical vulnerability (CVSS 9.8) in Superwebmailer, published July 14, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 32.8%, the 98th percentile. No source names a fixed version.