CVE-2020-13511: An information disclosure vulnerability exists in the WinRing0x64 Driver Privileged I/O Read IRPs functionalit

Routine

MEDIUM 6.5DOWNGRADE

CVE-2020-13511 is a medium-severity flaw (CVSS 6.5) affecting cam. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An information disclosure vulnerability exists in the WinRing0x64 Driver Privileged I/O Read IRPs functionality of NZXT CAM 4.8.0. A specially crafted I/O request packet (IRP) using the IRP 0x9c4060d4 gives a low privilege user direct access to the IN instruction that is completely unrestrained at an elevated privilege level. An attacker can send a malicious IRP to trigger this vulnerability.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-269
Published	2020-12-18
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: nzxt

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

Am I affected?

Timeline

2020-12-18 00:15 UTCPublished CVE record published
2026-06-17 02:53 UTCUpdated Record last modified

nzxt cam DOWNGRADE

Affected: 4.8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.8.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.8.0 (Debian / Ubuntu)

apt-cache madison cam sudo apt install cam=<VERSION_BEFORE_4.8.0> sudo apt-mark hold cam

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

dnf --showduplicates list cam sudo dnf downgrade cam-<VERSION_BEFORE_4.8.0> sudo dnf versionlock add cam

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-2020-13511?

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

Is CVE-2020-13511 being exploited?

CVE-2020-13511 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-2020-13511 affect?

CVE-2020-13511 affects cam. Severity is medium (CVSS 6.5). An information disclosure vulnerability exists in the WinRing0x64 Driver Privileged I/O Read IRPs functionality of NZXT CAM 4.8.0. A specially crafted I/O request packet (IRP) using the IRP 0x9c4060d4 gives a low privilege user direct acces

How urgent is CVE-2020-13511?

Priority 39/100. Public exploit reference

Related CVEs

CVE-2020-13519 HIGH 8.8 DOWNGRADE A privilege escalation vulnerability exists in the WinRing0x64 Driver IRP 0x9c402088 functionality of NZXT CAM
CVE-2020-13518 MEDIUM 6.5 DOWNGRADE An information disclosure vulnerability exists in the WinRing0x64 Driver IRP 0x9c402084 functionality of NZXT
CVE-2020-13517 MEDIUM 5.5 DOWNGRADE An information disclosure vulnerability exists in the WinRing0x64 Driver IRP 0x9c406104 functionality of NZXT
CVE-2020-13516 MEDIUM 6.5 DOWNGRADE An information disclosure vulnerability exists in the WinRing0x64 Driver IRP 0x9c406144 functionality of NZXT
CVE-2020-13515 HIGH 8.8 DOWNGRADE A privilege escalation vulnerability exists in the WinRing0x64 Driver IRP 0x9c40a148 functionality of NZXT CAM

References

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