CVE-2025-12455: Observable response discrepancy vulnerability in OpenText™ Vertica allows Password Brute Forcing. The vulner

Routine

HIGH 7.5REMOTEUPGRADE

CVE-2025-12455 is a high-severity flaw (CVSS 7.5) affecting vertica. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Observable response discrepancy vulnerability in OpenText™ Vertica allows Password Brute Forcing. The vulnerability could lead to Password Brute Forcing in Vertica management console application.This issue affects Vertica: from 10.0 through 10.X, from 11.0 through 11.X, from 12.0 through 12.X.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-204
Published	2026-03-13
Last modified	2026-06-17

Publisher (CNA): OpenText · Vendor: opentext

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

Am I affected?

Timeline

2026-03-13 19:53 UTCPublished CVE record published
2026-06-17 08:32 UTCUpdated Record last modified

opentext vertica UPGRADE

Affected: >= 10.0.0-0 and <= 12.0.4-34

Fixed in: newer than 12.0.4-34

Safe to downgrade to: a release before 10.0.0-0

1. Check installed version

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

2. UPGRADE to newer than 12.0.4-34 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade vertica

Note

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

3. If no update is available yet, DOWNGRADE to a release before 10.0.0-0 (Debian / Ubuntu)

apt-cache madison vertica sudo apt install vertica=<VERSION_BEFORE_10.0.0-0> sudo apt-mark hold vertica

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list vertica sudo dnf downgrade vertica-<VERSION_BEFORE_10.0.0-0> sudo dnf versionlock add vertica

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-2025-12455?

vertica: upgrade to newer than 12.0.4-34. Exact commands for each OS are on this page.

Is CVE-2025-12455 being exploited?

CVE-2025-12455 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-2025-12455 affect?

CVE-2025-12455 affects vertica. Severity is high (CVSS 7.5). Observable response discrepancy vulnerability in OpenText™ Vertica allows Password Brute Forcing. The vulnerability could lead to Password Brute Forcing in Vertica management console application.This issue affects Vertica: from 10.0 throu

How urgent is CVE-2025-12455?

Priority 37/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-12454 MEDIUM 6.1 UPGRADE Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in OpenText
CVE-2025-12453 MEDIUM 6.1 UPGRADE Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in OpenText
CVE-2023-7248 MEDIUM 5.0 UPGRADE Certain functionality in OpenText Vertica Management console might be prone to bypass via crafted requests.

References

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