How severe is CVE-2018-20992?

CVE-2018-20992 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-20992 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20992?

CVE-2018-20992 primarily affects Claxon Project Claxon. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-20992?

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

When was CVE-2018-20992 published?

CVE-2018-20992 was published on 2019-08-26 and last updated on 2026-06-17.

CVE-2018-20992

CVE-2018-20992 is a medium-severity vulnerability in Claxon Project Claxon with a CVSS 3.x base score of 6.5. 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-908.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-908
Affected product: Claxon Project Claxon
Published: 2019-08-26
Last modified: 2026-06-17

Description

An issue was discovered in the claxon crate before 0.4.1 for Rust. Uninitialized memory can be exposed because certain decode buffer sizes are mishandled.

Frequently asked questions

What is CVE-2018-20992?: An issue was discovered in the claxon crate before 0.4.1 for Rust. Uninitialized memory can be exposed because certain decode buffer sizes are mishandled.
How severe is CVE-2018-20992?: CVE-2018-20992 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-20992 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20992?: CVE-2018-20992 primarily affects Claxon Project Claxon. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-20992?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20992 published?: CVE-2018-20992 was published on 2019-08-26 and last updated on 2026-06-17.

References

https://rustsec.org/advisories/RUSTSEC-2018-0004.html

Affected products (2)

cpe:2.3:a:claxon_project:claxon:*:*:*:*:*:*:*:*
cpe:2.3:a:claxon_project:claxon:0.4.0:*:*:*:*:*:*:*

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