How severe is CVE-2020-5812?

CVE-2020-5812 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 high, and availability none.

Is CVE-2020-5812 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5812?

CVE-2020-5812 affects Tenable Nessus Amazon Machine Image. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5812?

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

When was CVE-2020-5812 published?

CVE-2020-5812 was published on 2021-02-06 and last updated on 2026-06-17.

CVE-2020-5812

CVE-2020-5812 is a medium-severity vulnerability in Tenable Nessus Amazon Machine Image 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. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Tenable Nessus Amazon Machine Image
Published: 2021-02-06
Last modified: 2026-06-17

Description

Nessus AMI versions 8.12.0 and earlier were found to either not validate, or incorrectly validate, a certificate which could allow an attacker to spoof a trusted entity by using a man-in-the-middle (MITM) attack.

Frequently asked questions

What is CVE-2020-5812?: Nessus AMI versions 8.12.0 and earlier were found to either not validate, or incorrectly validate, a certificate which could allow an attacker to spoof a trusted entity by using a man-in-the-middle (MITM) attack.
How severe is CVE-2020-5812?: CVE-2020-5812 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 high, and availability none.
Is CVE-2020-5812 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5812?: CVE-2020-5812 affects Tenable Nessus Amazon Machine Image. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5812?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5812 published?: CVE-2020-5812 was published on 2021-02-06 and last updated on 2026-06-17.

References

https://www.tenable.com/security/tns-2021-01

Affected products (1)

cpe:2.3:o:tenable:nessus_amazon_machine_image:*:*:*:*:*:*:*:*

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