Which products and versions are affected by CVE-2020-11546?

Affected: Superwebmailer. The full list is in the CVE brief.

Is CVE-2020-11546 being exploited in the wild?

It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 14, 2023.

Is CVE-2020-11546 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2020-11546?

No public exploit code is known.

Is there a fix for CVE-2020-11546?

Fixed versions are available, including Superwebmailer 7.40.0.01550.

How urgently should CVE-2020-11546 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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On CISA KEVCritical

CVE-2020-11546Superwebmailer Code Injection

SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php.

Published Jul 14, 2020 · Updated Nov 21, 2024

Key Facts

Patch immediately

CVE-2020-11546 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Superwebmailer.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 14, 2023. No public exploit code is known.
EPSS estimates a 33% probability of exploitation in the next 30 days.
Fixed versions are available, including Superwebmailer 7.40.0.01550.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Scores

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

33%

Higher than 98.3% of all scored CVEs

Exploit maturity

Exploited (KEV)

ATLAS score

49/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Oct 14, 2023

1187 days after publication

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Exploited (KEV)

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Description

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.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CIRCL KEV	Oct 14, 2023	n/a	Not reported
Industry KEV feed	Oct 14, 2023	n/a	Not reported

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
SuperwebmailerSuperwebmailer	See advisory	7.40.0.01550

Patched Releases

Superwebmailer

7.40.0.01550

Timeline

Publicly disclosed
Jul 14, 2020
Added to CIRCL KEV
Oct 14, 2023
Added to Industry KEV feed
Oct 14, 2023
Last updated
Nov 21, 2024

Weakness Type

CWE-94 Improper Control of Generation of Code ('Code Injection')

References

6 more references in the full CVE brief

FAQ

Common Questions.

SuperWebMailer 7.21.0.01526 is susceptible to a remote code execution vulnerability in the Language parameter of mailingupgrade.php.
Affected: Superwebmailer. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 14, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Superwebmailer 7.40.0.01550.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2020-11546 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.