CVE-2023-27001: An issue discovered in Egerie Risk Manager v4.0.5 allows attackers to bypass the signature mechanism and tampe

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HIGH 8.8DOWNGRADE

CVE-2023-27001 is a high-severity flaw (CVSS 8.8) affecting egerie. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue discovered in Egerie Risk Manager v4.0.5 allows attackers to bypass the signature mechanism and tamper with the values inside the JWT payload resulting in privilege escalation.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 39%)
CISA exploited list	No
Published	2024-02-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: egerie

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

Am I affected?

Timeline

2024-02-08 22:15 UTCPublished CVE record published
2026-06-17 05:44 UTCUpdated Record last modified

egerie egerie DOWNGRADE

Affected: 4.0.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.0.5 (Debian / Ubuntu)

apt-cache madison egerie sudo apt install egerie=<VERSION_BEFORE_4.0.5> sudo apt-mark hold egerie

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list egerie sudo dnf downgrade egerie-<VERSION_BEFORE_4.0.5> sudo dnf versionlock add egerie

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2023-27001?

egerie: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-27001 being exploited?

CVE-2023-27001 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-2023-27001 affect?

CVE-2023-27001 affects egerie. Severity is high (CVSS 8.8). An issue discovered in Egerie Risk Manager v4.0.5 allows attackers to bypass the signature mechanism and tamper with the values inside the JWT payload resulting in privilege escalation.

How urgent is CVE-2023-27001?

Priority 51/100. High severity; Public exploit reference

References

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