CVE-2021-27453: Mesa Labs AmegaView Versions 3.0 uses default cookies that could be set to bypass authentication to the web ap

Q: How do I fix CVE-2021-27453?

amegaview: upgrade to newer than 3.0. Exact commands for each OS are on this page.

Q: Is CVE-2021-27453 being exploited?

CVE-2021-27453 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-27453 affect?

CVE-2021-27453 affects amegaview. Severity is high (CVSS 7.3). Mesa Labs AmegaView Versions 3.0 uses default cookies that could be set to bypass authentication to the web application, which may allow an attacker to gain access.

Q: How urgent is CVE-2021-27453?

Priority 47/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.3REMOTEUPGRADE

CVE-2021-27453 is a high-severity flaw (CVSS 7.3) affecting amegaview. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mesa Labs AmegaView Versions 3.0 uses default cookies that could be set to bypass authentication to the web application, which may allow an attacker to gain access.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 36%)
CISA exploited list	No
Weakness	CWE-288
Published	2021-12-21
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: mesalabs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-12-21 18:15 UTCPublished CVE record published
2026-06-17 03:44 UTCUpdated Record last modified

mesalabs amegaview UPGRADE

Affected: <= 3.0

Fixed in: newer than 3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy amegaview || rpm -q amegaview || amegaview --version

2. UPGRADE to newer than 3.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade amegaview

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade amegaview

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-27453?

amegaview: upgrade to newer than 3.0. Exact commands for each OS are on this page.

Is CVE-2021-27453 being exploited?

CVE-2021-27453 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-27453 affect?

CVE-2021-27453 affects amegaview. Severity is high (CVSS 7.3). Mesa Labs AmegaView Versions 3.0 uses default cookies that could be set to bypass authentication to the web application, which may allow an attacker to gain access.

How urgent is CVE-2021-27453?

Priority 47/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2021-27451 HIGH 7.3 UPGRADE Mesa Labs AmegaView Versions 3.0 and prior’s passcode is generated by an easily reversible algorithm, which ma
CVE-2021-27449 CRITICAL 9.9 UPGRADE Mesa Labs AmegaView Versions 3.0 and prior has a command injection vulnerability that can be exploited to exec
CVE-2021-27447 CRITICAL 10.0 UPGRADE Mesa Labs AmegaView version 3.0 is vulnerable to a command injection, which may allow an attacker to remotely
CVE-2021-27445 HIGH 7.8 UPGRADE Mesa Labs AmegaView Versions 3.0 and prior has insecure file permissions that could be exploited to escalate p

References

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