MEDIUM
CVE-2022-4721
CWE-75Published: December 27, 2022· Updated: Jun 17, 2026
5.4
CVSS v3.1
Official Description
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository ikus060/rdiffweb prior to 2.5.5.
Technical Analysis
CVE-2022-4721 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Affected Vendors & Products
ikus-soft1 product(s)
rdiffweb
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078dPatch · Third Party Advisory
→
https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720Exploit · Patch · Third Party Advisory
→
https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078dPatch · Third Party Advisory
→
https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720Exploit · Patch · Third Party Advisory
Quick Facts
CVE IDCVE-2022-4721
CVSS Score5.4 / 10
SeverityMEDIUM
WeaknessCWE-75
CISA KEVNo
Affected1 vendor(s)
PublishedDec 27, 2022
Related CVEs (CWE-75)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-4721 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.