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CVE-2018-6892: An issue was discovered in CloudMe before 1.11.0

69
This week
CRITICAL 9.8REMOTEUPGRADE

CVE-2018-6892 is a critical-severity flaw (CVSS 9.8) affecting sync. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in CloudMe before 1.11.0. An unauthenticated remote attacker that can connect to the "CloudMe Sync" client application listening on port 8888 can send a malicious payload causing a buffer overflow condition. This will result in an attacker controlling the program's execution flow and allowing arbitrary code execution.

Why this priority

  • Critical severity
  • EPSS top 1%: very likely to be exploited
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance93.4% (top 1%)
CISA exploited listNo
WeaknessCWE-119
Published2018-02-11
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: cloudme

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

Am I affected?

Timeline

cloudme sync UPGRADE
Affected: <= 1.10.9
Fixed in: newer than 1.10.9
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy sync || rpm -q sync || sync --version
2. UPGRADE to newer than 1.10.9 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade sync
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade sync
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

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-2018-6892?

sync: upgrade to newer than 1.10.9. Exact commands for each OS are on this page.

Is CVE-2018-6892 being exploited?

CVE-2018-6892 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-2018-6892 affect?

CVE-2018-6892 affects sync. Severity is critical (CVSS 9.8). An issue was discovered in CloudMe before 1.11.0. An unauthenticated remote attacker that can connect to the "CloudMe Sync" client application listening on port 8888 can send a malicious payload causing a buffer overflow condition. This wil

How urgent is CVE-2018-6892?

Priority 69/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

References

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