CVE-2018-6765: Swisscom MySwisscomAssistant 2.17.1.1065 contains a vulnerability that could allow an unauthenticated, remote

This month

HIGH 7.8DOWNGRADE

CVE-2018-6765 is a high-severity flaw (CVSS 7.8) affecting myswisscomassistant. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Swisscom MySwisscomAssistant 2.17.1.1065 contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system. This vulnerability exists due to the way .dll files are loaded. It allows an attacker to load a .dll of the attacker's choosing that could execute arbitrary code without the user's knowledge. The specific flaw exists within the handling of several DLLs (dwmapi.dll, IPHLPAPI.DLL, W

Why this priority

High severity

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-427
Published	2018-03-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: swisscom

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

Am I affected?

Timeline

2018-03-27 17:29 UTCPublished CVE record published
2026-06-17 02:02 UTCUpdated Record last modified

swisscom myswisscomassistant DOWNGRADE

Affected: 2.17.1.1065

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.17.1.1065

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.17.1.1065 (Debian / Ubuntu)

apt-cache madison myswisscomassistant sudo apt install myswisscomassistant=<VERSION_BEFORE_2.17.1.1065> sudo apt-mark hold myswisscomassistant

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

dnf --showduplicates list myswisscomassistant sudo dnf downgrade myswisscomassistant-<VERSION_BEFORE_2.17.1.1065> sudo dnf versionlock add myswisscomassistant

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-2018-6765?

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

Is CVE-2018-6765 being exploited?

CVE-2018-6765 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-2018-6765 affect?

CVE-2018-6765 affects myswisscomassistant. Severity is high (CVSS 7.8). Swisscom MySwisscomAssistant 2.17.1.1065 contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system. This vulnerability exists due to the way .dll files are loaded. It allo

How urgent is CVE-2018-6765?

Priority 41/100. High severity

References

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