CVE-2022-4721
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in ikus060/rdiffweb
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository ikus060/rdiffweb prior to 2.5.5.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in ikus060/rdiffweb
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository ikus060/rdiffweb prior to 2.5.5.
- Record
CVE-2022-4721- CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-75
- Updated
- 2026-11-02
EUVDEUVD-2022-0258
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository ikus060/rdiffweb prior to 2.5.5.
- Record
EUVD-2022-0258- CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-83pm-7v48-5jp4
rdiffweb vulnerable to Special Element Injection
In rdiffweb prior to 2.5.5, lack of sanitisation of characters in SSH key name could allow attacker to inject a hyperlink injection that could allow attacker to redirect victim to malicious websites.
- Record
GHSA-83pm-7v48-5jp4- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-75
- Updated
- 2026-11-02
NVD
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository ikus060/rdiffweb prior to 2.5.5.
- Record
CVE-2022-4721- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-75
- Updated
- 2026-11-02
OSV
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in ikus060/rdiffweb
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository ikus060/rdiffweb prior to 2.5.5.
- Record
CVE-2022-4721- CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-75
- Updated
- 2026-11-02
OSVGHSA-83pm-7v48-5jp4
rdiffweb vulnerable to Special Element Injection
In rdiffweb prior to 2.5.5, lack of sanitisation of characters in SSH key name could allow attacker to inject a hyperlink injection that could allow attacker to redirect victim to malicious websites.
- Record
GHSA-83pm-7v48-5jp4- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-75
- Updated
- 2026-11-02
OSVPYSEC-2022-43007 No score
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository ikus060/rdiffweb prior to 2.5.5.
- Record
PYSEC-2022-43007- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
rdiffwebPyPI |
before 2.5.5 | 2.5.5 |
rdiffwebPyPI |
before 2.5.5, plus listed versions 0.10.00.10.20.10.30.10.40.10.5 Show 45 moreShow less0.10.60.10.70.10.80.10.90.9.2.dev10.9.30.9.40.9.51.0.01.0.0a11.0.0a21.0.0a31.0.0a41.0.11.0.21.0.31.1.01.2.01.2.11.2.21.3.01.3.11.3.1b11.3.1b21.3.21.4.01.4.0b11.4.0b21.4.0b31.4.0b41.4.0b51.4.1b11.4.1b21.4.1b31.5.01.5.1b11.5.1b21.6.0b12.0.1b22.0.1b32.0.22.0.3a12.0.3a22.0.3a32.0.3a4 |
2.5.5 |
rdiffwebPyPI |
before 2.5.5, plus listed versions 0.10.00.10.20.10.30.10.40.10.5 Show 45 moreShow less0.10.60.10.70.10.80.10.90.9.2.dev10.9.30.9.40.9.51.0.01.0.0a11.0.0a21.0.0a31.0.0a41.0.11.0.21.0.31.1.01.2.01.2.11.2.21.3.01.3.11.3.1b11.3.1b21.3.21.4.01.4.0b11.4.0b21.4.0b31.4.0b41.4.0b51.4.1b11.4.1b21.4.1b31.5.01.5.1b11.5.1b21.6.0b12.0.1b22.0.1b32.0.22.0.3a12.0.3a22.0.3a32.0.3a4 |
2.5.5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-4721 is a medium vulnerability (CVSS 6.6) in Ikus-soft Rdiffweb, published December 23, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. Fixed in rdiffweb 2.5.5.
References
huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720
github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d
nvd.nist.gov/vuln/detail/CVE-2022-4721
Left out here: 99 versions. The JSON record has them.