CVE-2021-33396: Cross Site Request Forgery (CSRF) vulnerability in baijiacms 4.1.4, allows attackers to change the password or

Routine

MEDIUM 6.5DOWNGRADE

CVE-2021-33396 is a medium-severity flaw (CVSS 6.5) affecting baijiacms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Request Forgery (CSRF) vulnerability in baijiacms 4.1.4, allows attackers to change the password or other information of an arbitrary account via index.php.

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	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-352
Published	2023-02-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: baijiacms project

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

Am I affected?

Timeline

2023-02-15 22:15 UTCPublished CVE record published
2026-06-17 03:54 UTCUpdated Record last modified

baijiacms project baijiacms DOWNGRADE

Affected: 4.1.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.1.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.1.4 (Debian / Ubuntu)

apt-cache madison baijiacms sudo apt install baijiacms=<VERSION_BEFORE_4.1.4> sudo apt-mark hold baijiacms

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

dnf --showduplicates list baijiacms sudo dnf downgrade baijiacms-<VERSION_BEFORE_4.1.4> sudo dnf versionlock add baijiacms

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-2021-33396?

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

Is CVE-2021-33396 being exploited?

CVE-2021-33396 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-2021-33396 affect?

CVE-2021-33396 affects baijiacms. Severity is medium (CVSS 6.5). Cross Site Request Forgery (CSRF) vulnerability in baijiacms 4.1.4, allows attackers to change the password or other information of an arbitrary account via index.php.

How urgent is CVE-2021-33396?

Priority 34/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-45942 HIGH 8.8 DOWNGRADE A Remote Code Execution (RCE) vulnerability was found in includes/baijiacms/common.inc.php in baijiacms v4.
CVE-2022-38931 HIGH 8.8 DOWNGRADE A Server-Side Request Forgery (SSRF) in fetch_net_file_upload function of baijiacmsV4 v4.1.4 allows remote att
CVE-2022-35150 CRITICAL 9.8 DOWNGRADE Baijicms v4 was discovered to contain an arbitrary file upload vulnerability.

References

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