CVE-2021-36546: Incorrect Access Control issue discovered in KiteCMS 1.1 allows remote attackers to view sensitive information

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2021-36546 is a high-severity flaw (CVSS 7.5) affecting kitecms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Incorrect Access Control issue discovered in KiteCMS 1.1 allows remote attackers to view sensitive information via path in application URL.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-922
Published	2023-02-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: kitesky

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

Am I affected?

Timeline

2023-02-03 18:15 UTCPublished CVE record published
2026-06-17 03:58 UTCUpdated Record last modified

kitesky kitecms DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison kitecms sudo apt install kitecms=<VERSION_BEFORE_1.1> sudo apt-mark hold kitecms

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

dnf --showduplicates list kitecms sudo dnf downgrade kitecms-<VERSION_BEFORE_1.1> sudo dnf versionlock add kitecms

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-2021-36546?

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

Is CVE-2021-36546 being exploited?

CVE-2021-36546 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-2021-36546 affect?

CVE-2021-36546 affects kitecms. Severity is high (CVSS 7.5). Incorrect Access Control issue discovered in KiteCMS 1.1 allows remote attackers to view sensitive information via path in application URL.

How urgent is CVE-2021-36546?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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CVE-2020-20522 MEDIUM 6.1 DOWNGRADE Cross Site Scripting vulnerability found in KiteCMS v.1.1 allows a remote attacker to execute arbitrary code v
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References

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