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Fencer Vulns
high 7.5

CVE-2020-13410 json

Improper exception handling in Aedes

published 2020-08-26 6 y ago modified 2026-06-17 4 mo ago also GHSA-gh78-48h3-frjq , EUVD-2021-1079

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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.

Patch / fix

  • npm aedes 0.42.1

Exploit prediction

2.25% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • payatu.com https://payatu.com/advisory/dos-in-aedes-mqtt-broker referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
npm aedes
<0.42.1
0.42.1

Classification

Weakness
  • CWE-755 Improper Handling of Exceptional Conditions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.