HIGH
CVE-2021-28962
NVD-CWE-noinfoPublished: January 31, 2022· Updated: Jun 17, 2026
7.2
CVSS v3.1
Official Description
Stormshield Network Security (SNS) before 4.2.2 allows a read-only administrator to gain privileges via CLI commands.
Technical Analysis
CVE-2021-28962 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
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 7.2.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Vendors & Products
stormshield1 product(s)
stormshield network security
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 (6)
→
https://advisories.stormshield.eu/Vendor Advisory
→
https://advisories.stormshield.eu/2021-007/Vendor Advisory
→
https://documentation.stormshield.eu/SNS/v4/en/Content/Release_Notes_SNS/Getting_Started_RNO.htmRelease Notes · Vendor Advisory
→
https://advisories.stormshield.eu/Vendor Advisory
→
https://advisories.stormshield.eu/2021-007/Vendor Advisory
→
https://documentation.stormshield.eu/SNS/v4/en/Content/Release_Notes_SNS/Getting_Started_RNO.htmRelease Notes · Vendor Advisory
Quick Facts
CVE IDCVE-2021-28962
CVSS Score7.2 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedJan 31, 2022
Related CVEs (NVD-CWE-noinfo)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-28962 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.