How severe is CVE-2022-4721?

CVE-2022-4721 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-4721 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4721?

CVE-2022-4721 affects Ikus-soft Rdiffweb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4721?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-4721 published?

CVE-2022-4721 was published on 2022-12-27 and last updated on 2026-06-17.

CVE-2022-4721

CVE-2022-4721 is a medium-severity vulnerability in Ikus-soft Rdiffweb with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-75.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-75
Affected product: Ikus-soft Rdiffweb
Published: 2022-12-27
Last modified: 2026-06-17

Description

Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository ikus060/rdiffweb prior to 2.5.5.

Frequently asked questions

What is CVE-2022-4721?: Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository ikus060/rdiffweb prior to 2.5.5.
How severe is CVE-2022-4721?: CVE-2022-4721 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-4721 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4721?: CVE-2022-4721 affects Ikus-soft Rdiffweb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4721?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4721 published?: CVE-2022-4721 was published on 2022-12-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ikus-soft:rdiffweb:*:*:*:*:*:*:*:*

More vulnerabilities in Ikus-soft Rdiffweb

CVE-2022-4724 — Critical (CVSS 9.8): Improper Access Control in GitHub repository ikus060/rdiffweb prior to 2.5.5.
CVE-2022-4719 — Critical (CVSS 9.8): Business Logic Errors in GitHub repository ikus060/rdiffweb prior to 2.5.5.
CVE-2022-4314 — Critical (CVSS 9.8): Improper Privilege Management in GitHub repository ikus060/rdiffweb prior to 2.5.2.
CVE-2022-3362 — Critical (CVSS 9.8): Insufficient Session Expiration in GitHub repository ikus060/rdiffweb prior to 2.5.0.
CVE-2022-3363 — Critical (CVSS 9.8): Business Logic Errors in GitHub repository ikus060/rdiffweb prior to 2.5.0a7.
CVE-2022-3327 — Critical (CVSS 9.8): Missing Authentication for Critical Function in GitHub repository ikus060/rdiffweb prior to 2.5.0a6.

All CVEs affecting Ikus-soft Rdiffweb →

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