PatchTheCVECVE-2026-56609: HCL iControl is affected by Weak SSL/TLS Version Supported vulnerability
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Routine
MEDIUM 4.8REMOTEDOWNGRADE
CVE-2026-56609 is a medium-severity flaw (CVSS 4.8) affecting icontrol. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
HCL iControl is affected by Weak SSL/TLS Version Supported vulnerability. It was observed that the application was using weak TLS versions such as TLS 1.0 and 1.1. These outdated protocols lack modern security features, making them vulnerable to known attacks and exposing sensitive information during data transmission.
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 | 4.8 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 96%) |
| CISA exploited list | No |
| Weakness | CWE-327 |
| Published | 2026-08-03 |
| 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: 3.2.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 3.2.0
1. Check installed version
apt-cache policy icontrol || rpm -q icontrol || icontrol --version
2. No fixed release: DOWNGRADE to a release before 3.2.0 (Debian / Ubuntu)
apt-cache madison icontrol
sudo apt install icontrol=<VERSION_BEFORE_3.2.0>
sudo apt-mark hold icontrol
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list icontrol
sudo dnf downgrade icontrol-<VERSION_BEFORE_3.2.0>
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-2026-56571 LOW 3.7 DOWNGRADE HCL iControl was affected by Improper Error Handling 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