CVE-2018-1000828: FrostWire version <= frostwire-desktop-6.7.4-build-272 contains a XML External Entity (XXE) vulnerability in M

Q: How urgent is CVE-2018-1000828?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.0REMOTEDOWNGRADE

CVE-2018-1000828 is a critical-severity flaw (CVSS 9.0) affecting frostwire. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FrostWire version <= frostwire-desktop-6.7.4-build-272 contains a XML External Entity (XXE) vulnerability in Man in the middle on update that can result in Disclosure of confidential data, denial of service, SSRF, port scanning. This attack appear to be exploitable via Man in the middle the call to update the software.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.0 (Critical)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-611
Published	2018-12-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: frostwire

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

Am I affected?

Timeline

2018-12-20 15:29 UTCPublished CVE record published
2026-06-17 01:33 UTCUpdated Record last modified

frostwire frostwire DOWNGRADE

Affected: 1.9.9 build246 · 1.9.9 build247 · 2.0.7 build263 · 6.1.6 build166 · 6.1.6 build167 · 6.1.7 build168 · 6.1.8 build169 · 6.1.9 build172

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.9.9

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.9.9 (Debian / Ubuntu)

apt-cache madison frostwire sudo apt install frostwire=<VERSION_BEFORE_1.9.9> sudo apt-mark hold frostwire

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

dnf --showduplicates list frostwire sudo dnf downgrade frostwire-<VERSION_BEFORE_1.9.9> sudo dnf versionlock add frostwire

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-2018-1000828?

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

Is CVE-2018-1000828 being exploited?

CVE-2018-1000828 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-2018-1000828 affect?

CVE-2018-1000828 affects frostwire. Severity is critical (CVSS 9.0). FrostWire version <= frostwire-desktop-6.7.4-build-272 contains a XML External Entity (XXE) vulnerability in Man in the middle on update that can result in Disclosure of confidential data, denial of service, SSRF, port scanning. This attack

How urgent is CVE-2018-1000828?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

References

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