CVE-2025-56689: One Identity by Quest Safeguard for Privileged Passwords Appliance 7.5.1.20903 is vulnerable to One Time Passw

Routine

MEDIUM 4.6DOWNGRADE

CVE-2025-56689 is a medium-severity flaw (CVSS 4.6) affecting one identity. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

One Identity by Quest Safeguard for Privileged Passwords Appliance 7.5.1.20903 is vulnerable to One Time Password (OTP)/Multifactor Authentication (MFA) bypass using response manipulation. An attacker who intercepts or captures a valid OTP response can bypass the OTP verification step by replaying the same response. NOTE: this is disputed by the Supplier because, by design, the product successfully authenticates a client that possesses a cookie w

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.6 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-290
Published	2025-09-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: quest

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

Am I affected?

Timeline

2025-09-03 17:15 UTCPublished CVE record published
2026-06-17 09:42 UTCUpdated Record last modified

quest one identity DOWNGRADE

Affected: 7.5.1.20903

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.5.1.20903

1. Check installed version

apt-cache policy one-identity || rpm -q one-identity || one-identity --version

2. No fixed release: DOWNGRADE to a release before 7.5.1.20903 (Debian / Ubuntu)

apt-cache madison one-identity sudo apt install one-identity=<VERSION_BEFORE_7.5.1.20903> sudo apt-mark hold one-identity

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

dnf --showduplicates list one-identity sudo dnf downgrade one-identity-<VERSION_BEFORE_7.5.1.20903> sudo dnf versionlock add one-identity

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-2025-56689?

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

Is CVE-2025-56689 being exploited?

CVE-2025-56689 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-2025-56689 affect?

CVE-2025-56689 affects one identity. Severity is medium (CVSS 4.6). One Identity by Quest Safeguard for Privileged Passwords Appliance 7.5.1.20903 is vulnerable to One Time Password (OTP)/Multifactor Authentication (MFA) bypass using response manipulation. An attacker who intercepts or captures a valid OTP

How urgent is CVE-2025-56689?

Priority 39/100. Public exploit reference

References

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