MEDIUM
CVE-2022-27966
CWE-428Published: March 31, 2022· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
Xshell v7.0.0099 and below contains a binary hijack vulnerability which allows attackers to execute arbitrary code via a crafted .exe file.
Technical Analysis
CVE-2022-27966 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.High
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Affected Vendors & Products
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://www.netsarang.com/en/xshell-update-history/Release Notes · Vendor Advisory
→
→
https://www.netsarang.com/en/xshell-update-history/Release Notes · Vendor Advisory
Quick Facts
CVE IDCVE-2022-27966
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-428
CISA KEVNo
Affected2 vendor(s)
PublishedMar 31, 2022
Related CVEs (CWE-428)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-27966 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. CVE data is provided under the NVD usage policy.