CVE-2021-47754: Arunna 1.0.0 contains a cross-site request forgery vulnerability that allows attackers to manipulate user prof

Routine

MEDIUM 6.5DOWNGRADE

CVE-2021-47754 is a medium-severity flaw (CVSS 6.5) affecting arunna. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Arunna 1.0.0 contains a cross-site request forgery vulnerability that allows attackers to manipulate user profile settings without authentication. Attackers can craft a malicious form to change user details, including passwords, email, and administrative privileges by tricking authenticated users into submitting the form.

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	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-352
Published	2026-01-15
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: arunna

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

Am I affected?

Timeline

2026-01-15 16:16 UTCPublished CVE record published
2026-06-17 04:18 UTCUpdated Record last modified

arunna arunna DOWNGRADE

Affected: 1.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison arunna sudo apt install arunna=<VERSION_BEFORE_1.0.0> sudo apt-mark hold arunna

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

dnf --showduplicates list arunna sudo dnf downgrade arunna-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add arunna

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-2021-47754?

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

Is CVE-2021-47754 being exploited?

CVE-2021-47754 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-2021-47754 affect?

CVE-2021-47754 affects arunna. Severity is medium (CVSS 6.5). Arunna 1.0.0 contains a cross-site request forgery vulnerability that allows attackers to manipulate user profile settings without authentication. Attackers can craft a malicious form to change user details, including passwords, email, and

How urgent is CVE-2021-47754?

Priority 31/100. Public exploit reference

References

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