How severe is CVE-2021-27451?

CVE-2021-27451 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-27451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27451?

CVE-2021-27451 affects Mesalabs Amegaview. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27451?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-27451 published?

CVE-2021-27451 was published on 2021-12-21 and last updated on 2026-06-17.

CVE-2021-27451

CVE-2021-27451 is a high-severity vulnerability in Mesalabs Amegaview with a CVSS 3.x base score of 7.3. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Mesalabs Amegaview
Published: 2021-12-21
Last modified: 2026-06-17

Description

Mesa Labs AmegaView Versions 3.0 and prior’s passcode is generated by an easily reversible algorithm, which may allow an attacker to gain access to the device.

Frequently asked questions

What is CVE-2021-27451?: Mesa Labs AmegaView Versions 3.0 and prior’s passcode is generated by an easily reversible algorithm, which may allow an attacker to gain access to the device.
How severe is CVE-2021-27451?: CVE-2021-27451 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-27451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27451?: CVE-2021-27451 affects Mesalabs Amegaview. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27451?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-27451 published?: CVE-2021-27451 was published on 2021-12-21 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-147-03

Affected products (1)

cpe:2.3:a:mesalabs:amegaview:*:*:*:*:*:*:*:*

More vulnerabilities in Mesalabs Amegaview

CVE-2021-27447 — Critical (CVSS 10.0): Mesa Labs AmegaView version 3.0 is vulnerable to a command injection, which may allow an attacker to remotely execute…
CVE-2021-27449 — Critical (CVSS 9.9): Mesa Labs AmegaView Versions 3.0 and prior has a command injection vulnerability that can be exploited to execute…
CVE-2021-27445 — High (CVSS 7.8): Mesa Labs AmegaView Versions 3.0 and prior has insecure file permissions that could be exploited to escalate privileges…
CVE-2021-27453 — High (CVSS 7.3): Mesa Labs AmegaView Versions 3.0 uses default cookies that could be set to bypass authentication to the web…

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