CVE-2015-4664: An improper input validation vulnerability in CA Privileged Access Manager 2.4.4.4 and earlier allows remote a

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CRITICAL 9.8REMOTEUPGRADEDOWNGRADE

CVE-2015-4664 is a critical-severity flaw (CVSS 9.8) affecting privileged access manager, xsuite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An improper input validation vulnerability in CA Privileged Access Manager 2.4.4.4 and earlier allows remote attackers to execute arbitrary commands.

Why this priority

Critical severity
EPSS top 3%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	20.2% (top 3%)
CISA exploited list	No
Weakness	CWE-20
Published	2018-06-18
Last modified	2026-06-17

Publisher (CNA): CA Technologies - A Broadcom Company · Vendor: broadcom · xceedium

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

Am I affected?

Timeline

2018-06-18 18:29 UTCPublished CVE record published
2026-06-17 00:27 UTCUpdated Record last modified

broadcom privileged access manager UPGRADE

Affected: <= 2.4.4.4

Fixed in: newer than 2.4.4.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy privileged-access-manager || rpm -q privileged-access-manager || privileged-access-manager --version

2. UPGRADE to newer than 2.4.4.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade privileged-access-manager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade privileged-access-manager

Note

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

xceedium xsuite DOWNGRADE

Affected: 2.3.0 · 2.4.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.3.0 (Debian / Ubuntu)

apt-cache madison xsuite sudo apt install xsuite=<VERSION_BEFORE_2.3.0> sudo apt-mark hold xsuite

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

dnf --showduplicates list xsuite sudo dnf downgrade xsuite-<VERSION_BEFORE_2.3.0> sudo dnf versionlock add xsuite

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Xceedium Xsuite - Multiple Vulnerabilities

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-2015-4664?

privileged access manager: upgrade to newer than 2.4.4.4; xsuite: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-4664 being exploited?

CVE-2015-4664 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-2015-4664 affect?

CVE-2015-4664 affects privileged access manager, xsuite. Severity is critical (CVSS 9.8). An improper input validation vulnerability in CA Privileged Access Manager 2.4.4.4 and earlier allows remote attackers to execute arbitrary commands.

How urgent is CVE-2015-4664?

Priority 69/100. Critical severity; EPSS top 3%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

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References

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