MEDIUM
CVE-2021-33214
CWE-276Published: July 9, 2021· Updated: Jun 17, 2026
6.1
CVSS v3.1
Official Description
In HMS Ewon eCatcher through 6.6.4, weak filesystem permissions could allow malicious users to access files that could lead to sensitive information disclosure, modification of configuration files, or disruption of normal system operation.
Technical Analysis
CVE-2021-33214 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.1.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H
Affected Vendors & Products
hms-networks1 product(s)
ecatcher
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 (10)
→
→
https://labs.bishopfox.com/advisoriesThird Party Advisory
→
https://labs.bishopfox.com/advisories/ecatcher-desktop-version-6.6.4Exploit · Third Party Advisory
→
https://www.ewon.biz/about-us/securityVendor Advisory
→
→
https://labs.bishopfox.com/advisoriesThird Party Advisory
→
https://labs.bishopfox.com/advisories/ecatcher-desktop-version-6.6.4Exploit · Third Party Advisory
→
https://www.ewon.biz/about-us/securityVendor Advisory
Quick Facts
CVE IDCVE-2021-33214
CVSS Score6.1 / 10
SeverityMEDIUM
WeaknessCWE-276
CISA KEVNo
Affected1 vendor(s)
PublishedJul 9, 2021
Related CVEs (CWE-276)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-33214 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.