How severe is CVE-2020-36469?

CVE-2020-36469 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-36469 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36469?

CVE-2020-36469 affects Appendix Project Appendix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36469?

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

When was CVE-2020-36469 published?

CVE-2020-36469 was published on 2021-08-08 and last updated on 2026-06-17.

CVE-2020-36469

CVE-2020-36469 is a medium-severity vulnerability in Appendix Project Appendix with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Appendix Project Appendix
Published: 2021-08-08
Last modified: 2026-06-17

Description

An issue was discovered in the appendix crate through 2020-11-15 for Rust. For the generic K and V type parameters, Send and Sync are implemented unconditionally.

Frequently asked questions

What is CVE-2020-36469?: An issue was discovered in the appendix crate through 2020-11-15 for Rust. For the generic K and V type parameters, Send and Sync are implemented unconditionally.
How severe is CVE-2020-36469?: CVE-2020-36469 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-36469 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36469?: CVE-2020-36469 affects Appendix Project Appendix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36469?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-36469 published?: CVE-2020-36469 was published on 2021-08-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:appendix_project:appendix:*:*:*:*:*:rust:*:*