MEDIUM
CVE-2020-14009
CWE-354Published: May 7, 2021· Updated: Jun 17, 2026
6.3
CVSS v3.1
Official Description
Proofpoint Enterprise Protection (PPS/PoD) before 8.16.4 contains a vulnerability that could allow an attacker to deliver an email message with a malicious attachment that bypasses scanning and file-blocking rules. The vulnerability exists because messages with certain crafted and malformed multipart structures are not properly handled.
Technical Analysis
CVE-2020-14009 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
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Affected Vendors & Products
proofpoint1 product(s)
enterprise protection
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://www.proofpoint.com/us/security/security-advisoriesVendor Advisory
→
https://www.proofpoint.com/us/security/security-advisoriesVendor Advisory
Quick Facts
CVE IDCVE-2020-14009
CVSS Score6.3 / 10
SeverityMEDIUM
WeaknessCWE-354
CISA KEVNo
Affected1 vendor(s)
PublishedMay 7, 2021
Related CVEs (CWE-354)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-14009 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.