PatchTheCVECVE-2026-56571: HCL iControl was affected by Improper Error Handling vulnerabilities
23
Routine
LOW 3.7REMOTEDOWNGRADE
CVE-2026-56571 is a low-severity flaw (CVSS 3.7) affecting icontrol. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
HCL iControl was affected by Improper Error Handling vulnerabilities. It involves Out of memory, null pointer exceptions, system call failure, database unavailable, network timeout, and hundreds of other common conditions can cause errors to be generated.
Why this priority
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 3.7 (Low) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 80%) |
| CISA exploited list | No |
| Weakness | CWE-209 |
| Published | 2026-07-31 |
| Last modified | 2026-10-23 |
Publisher (CNA): HCL Software · Vendor: hcltech
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
hcltech icontrol 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 icontrol || rpm -q icontrol || icontrol --version
2. No fixed release: DOWNGRADE to a release before 4.4.0 (Debian / Ubuntu)
apt-cache madison icontrol
sudo apt install icontrol=<VERSION_BEFORE_4.4.0>
sudo apt-mark hold icontrol
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list icontrol
sudo dnf downgrade icontrol-<VERSION_BEFORE_4.4.0>
sudo dnf versionlock add icontrol
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.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Related CVEs
- CVE-2026-56568 LOW 3.7 DOWNGRADE HCL iControl was affected by Information Exposure Through Verbose Client-Side API Error Messages vulnerabiliti
- CVE-2026-56570 LOW 3.7 DOWNGRADE HCL iControl was affected by Auto complete Enabled vulnerabilities
- CVE-2026-56567 MEDIUM 5.1 DOWNGRADE HCL iControl v4.3.0 was affected by Security Misconfiguration vulnerabilities
- CVE-2026-56569 MEDIUM 4.0 DOWNGRADE HCL iControl was affected by Sensitive Data Exposure vulnerabilities
- CVE-2026-56608 LOW 3.7 DOWNGRADE HCL iControl is affected by Missing Access Control vulnerability