CVE-2018-15753: An issue was discovered in the MensaMax (aka com.breustedt.mensamax) application 4.3 for Android

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2018-15753 is a high-severity flaw (CVSS 7.5) affecting mensamax. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in the MensaMax (aka com.breustedt.mensamax) application 4.3 for Android. The use of a Hard-coded DES Cryptographic Key allows an attacker who decodes the application to decrypt transmitted data such as the login username and password.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-798
Published	2018-10-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mensamax

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-10-02 18:29 UTCPublished CVE record published
2026-06-17 01:43 UTCUpdated Record last modified

mensamax mensamax DOWNGRADE

Affected: 4.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.3

1. Check installed version

apt-cache policy mensamax || rpm -q mensamax || mensamax --version

2. No fixed release: DOWNGRADE to a release before 4.3 (Debian / Ubuntu)

apt-cache madison mensamax sudo apt install mensamax=<VERSION_BEFORE_4.3> sudo apt-mark hold mensamax

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list mensamax sudo dnf downgrade mensamax-<VERSION_BEFORE_4.3> sudo dnf versionlock add mensamax

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-15753?

mensamax: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-15753 being exploited?

CVE-2018-15753 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-15753 affect?

CVE-2018-15753 affects mensamax. Severity is high (CVSS 7.5). An issue was discovered in the MensaMax (aka com.breustedt.mensamax) application 4.3 for Android. The use of a Hard-coded DES Cryptographic Key allows an attacker who decodes the application to decrypt transmitted data such as the login use

How urgent is CVE-2018-15753?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Android vulnerabilities

Related CVEs

CVE-2018-15752 HIGH 8.1 DOWNGRADE An issue was discovered in the MensaMax (aka com.breustedt.mensamax) application 4.3 for Android

References

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