CVE-2020-7858: There is a directory traversing vulnerability in the download page url of AquaNPlayer 2.0.0.92

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MEDIUM 6.8DOWNGRADE

CVE-2020-7858 is a medium-severity flaw (CVSS 6.8) affecting aquanplayer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

There is a directory traversing vulnerability in the download page url of AquaNPlayer 2.0.0.92. The IP of the download page url is localhost and an attacker can traverse directories using "dot dot" sequences(../../) to view host file on the system. This vulnerability can cause information leakage.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-548, CWE-22
Published	2021-04-22
Last modified	2026-06-17

Publisher (CNA): KrCERT/CC · Vendor: cdnetworks

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

Am I affected?

Timeline

2021-04-22 18:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

cdnetworks aquanplayer DOWNGRADE

Affected: 2.0.0.92

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.0.92

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0.0.92 (Debian / Ubuntu)

apt-cache madison aquanplayer sudo apt install aquanplayer=<VERSION_BEFORE_2.0.0.92> sudo apt-mark hold aquanplayer

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

dnf --showduplicates list aquanplayer sudo dnf downgrade aquanplayer-<VERSION_BEFORE_2.0.0.92> sudo dnf versionlock add aquanplayer

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-2020-7858?

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

Is CVE-2020-7858 being exploited?

CVE-2020-7858 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-2020-7858 affect?

CVE-2020-7858 affects aquanplayer. Severity is medium (CVSS 6.8). There is a directory traversing vulnerability in the download page url of AquaNPlayer 2.0.0.92. The IP of the download page url is localhost and an attacker can traverse directories using "dot dot" sequences(../../) to view host file on the

How urgent is CVE-2020-7858?

Priority 40/100. No elevated risk signals yet.

References

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