How severe is CVE-2018-3778?

CVE-2018-3778 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2018-3778 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3778?

CVE-2018-3778 affects Aedes Project Aedes. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3778?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-3778 published?

CVE-2018-3778 was published on 2018-08-08 and last updated on 2026-06-17.

CVE-2018-3778

CVE-2018-3778 is a medium-severity vulnerability in Aedes Project Aedes with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Aedes Project Aedes
Published: 2018-08-08
Last modified: 2026-06-17

Description

Improper authorization in aedes version <0.35.0 will publish a LWT in a channel when a client is not authorized.

Frequently asked questions

What is CVE-2018-3778?: Improper authorization in aedes version <0.35.0 will publish a LWT in a channel when a client is not authorized.
How severe is CVE-2018-3778?: CVE-2018-3778 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2018-3778 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3778?: CVE-2018-3778 affects Aedes Project Aedes. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3778?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-3778 published?: CVE-2018-3778 was published on 2018-08-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:aedes_project:aedes:*:*:*:*:*:*:*:*

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