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CVE-2020-11546

59
FAUCET Score

CVE-2020-11546 describes a critical remote code execution vulnerability in SuperWebMailer version 7.21.0.01526, specifically within the "Language" parameter of mailingupgrade.php. An unauthenticated remote attacker can exploit this flaw through code injection to execute arbitrary PHP code. With a CVSS score of 9.8 (Critical), this vulnerability allows for complete compromise of confidentiality, integrity, and availability with low attack complexity. While there is no evidence of active exploitation or Metasploit modules, Nuclei templates exist, indicating readily available exploit code, though community discussion and media coverage are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.40.0.01550CPE matchmatch criteria
cpe:2.3:a:superwebmailer:superwebmailer:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
32.84%
Probability of exploitation in next 30 days
EPSS Percentile
98.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2020-11546 · Dec 28, 2021
This CVE's current EPSS score of 0.3284 is in the 95th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.to.com / advisory-superwebmailer-cve-2020-11546
ExploitThird Party Advisory