MEDIUM
CVE-2020-7339
CWE-327Published: December 10, 2020· Updated: Jun 17, 2026
6.3
CVSS v3.1
Official Description
Use of a Broken or Risky Cryptographic Algorithm vulnerability in McAfee Database Security Server and Sensor prior to 4.8.0 in the form of a SHA1 signed certificate that would allow an attacker on the same local network to potentially intercept communication between the Server and Sensors.
Technical Analysis
CVE-2020-7339 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Vendors & Products
mcafee1 product(s)
database 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 (2)
→
https://kc.mcafee.com/corporate/index?page=content&id=SB10340Broken Link · Vendor Advisory
→
https://kc.mcafee.com/corporate/index?page=content&id=SB10340Broken Link · Vendor Advisory
Quick Facts
CVE IDCVE-2020-7339
CVSS Score6.3 / 10
SeverityMEDIUM
WeaknessCWE-327
CISA KEVNo
Affected1 vendor(s)
PublishedDec 10, 2020
Related CVEs (CWE-327)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-7339 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.