RCE in Superwebmailer

CVE-2020-11546

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.

Vulnerability class: RCE (Remote Code Execution)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.328 (98.3th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-11546: held from 0.328 to 0.328.

EPSS over last 30 days · oldest: 0.328 · newest: 0.328 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-11546?
CVE-2020-11546 is a critical-severity vulnerability in Superwebmailer, classified under Code Injection. CVSS score: 9.8/10. Published 2020-07-14.
How severe is CVE-2020-11546?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-11546 known to be exploited?
11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.