CVE-2022-4724: Improper Access Control in GitHub repository ikus060/rdiffweb prior to 2.5.5.

Q: How do I fix CVE-2022-4724?

rdiffweb: upgrade to 2.5.5. Exact commands for each OS are on this page.

Q: Is CVE-2022-4724 being exploited?

CVE-2022-4724 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-4724 affect?

CVE-2022-4724 affects rdiffweb. Severity is critical (CVSS 9.8). Improper Access Control in GitHub repository ikus060/rdiffweb prior to 2.5.5.

Q: How urgent is CVE-2022-4724?

Priority 59/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2022-4724 is a critical-severity flaw (CVSS 9.8) affecting rdiffweb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Access Control in GitHub repository ikus060/rdiffweb prior to 2.5.5.

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
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-284
Published	2022-12-27
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: ikus-soft

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

Am I affected?

Timeline

2022-12-27 15:15 UTCPublished CVE record published
2026-06-17 05:21 UTCUpdated Record last modified

ikus-soft rdiffweb UPGRADE

Affected: < 2.5.5

Fixed in: 2.5.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.5.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade rdiffweb

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade rdiffweb

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2022-4724?

rdiffweb: upgrade to 2.5.5. Exact commands for each OS are on this page.

Is CVE-2022-4724 being exploited?

CVE-2022-4724 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-2022-4724 affect?

CVE-2022-4724 affects rdiffweb. Severity is critical (CVSS 9.8). Improper Access Control in GitHub repository ikus060/rdiffweb prior to 2.5.5.

How urgent is CVE-2022-4724?

Priority 59/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

GitHub vulnerabilities

Related CVEs

CVE-2023-5289 HIGH 8.8 UPGRADE Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.8.4.
CVE-2023-4138 MEDIUM 6.5 UPGRADE Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.8.0.
CVE-2022-4723 MEDIUM 6.5 UPGRADE Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.5.5.
CVE-2022-4722 HIGH 7.2 UPGRADE Authentication Bypass by Primary Weakness in GitHub repository ikus060/rdiffweb prior to 2.5.5.
CVE-2022-4721 MEDIUM 5.4 UPGRADE Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository i

References

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