CVE-2022-45597: ComponentSpace.Saml2 4.4.0 Missing SSL Certificate Validation

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-45597 is a critical-severity flaw (CVSS 9.8) affecting saml. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ComponentSpace.Saml2 4.4.0 Missing SSL Certificate Validation. NOTE: the vendor does not consider this a vulnerability because the report is only about use of certificates at the application layer (not the transport layer) and "Certificates are exchanged in a controlled fashion between entities within a trust relationship. This is why self-signed certificates may be used and why validating certificates isn’t as important as doing so for the trans

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-295
Published	2023-03-24
Last modified	2026-07-09

Publisher (CNA): MITRE · Vendor: componentspace

Last updated 2026-07-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-03-24 23:15 UTCPublished CVE record published
2026-07-09 01:18 UTCUpdated Record last modified

componentspace saml DOWNGRADE

Affected: 4.4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.4.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.4.0 (Debian / Ubuntu)

apt-cache madison saml sudo apt install saml=<VERSION_BEFORE_4.4.0> sudo apt-mark hold saml

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

dnf --showduplicates list saml sudo dnf downgrade saml-<VERSION_BEFORE_4.4.0> sudo dnf versionlock add saml

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-2022-45597?

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

Is CVE-2022-45597 being exploited?

CVE-2022-45597 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-2022-45597 affect?

CVE-2022-45597 affects saml. Severity is critical (CVSS 9.8). ComponentSpace.Saml2 4.4.0 Missing SSL Certificate Validation. NOTE: the vendor does not consider this a vulnerability because the report is only about use of certificates at the application layer (not the transport layer) and "Certificates

How urgent is CVE-2022-45597?

Priority 49/100. Critical severity; Remotely exploitable, no login, no user action

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References

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