CVE-2020-13410: An issue was discovered in MoscaJS Aedes 0.42.0

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2020-13410 is a high-severity flaw (CVSS 7.5) affecting aedes. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in MoscaJS Aedes 0.42.0. lib/write.js does not properly consider exceptions during the writing of an invalid packet to a stream.

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	2.2% (top 17%)
CISA exploited list	No
Weakness	CWE-755
Published	2020-08-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: aedes project

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

Am I affected?

Timeline

2020-08-26 15:15 UTCPublished CVE record published
2026-06-17 02:53 UTCUpdated Record last modified

aedes project aedes DOWNGRADE

Affected: 0.42.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.42.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.42.0 (Debian / Ubuntu)

apt-cache madison aedes sudo apt install aedes=<VERSION_BEFORE_0.42.0> sudo apt-mark hold aedes

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

dnf --showduplicates list aedes sudo dnf downgrade aedes-<VERSION_BEFORE_0.42.0> sudo dnf versionlock add aedes

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-2020-13410?

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

Is CVE-2020-13410 being exploited?

CVE-2020-13410 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-2020-13410 affect?

CVE-2020-13410 affects aedes. Severity is high (CVSS 7.5). An issue was discovered in MoscaJS Aedes 0.42.0. lib/write.js does not properly consider exceptions during the writing of an invalid packet to a stream.

How urgent is CVE-2020-13410?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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