6.3
MEDIUM
CVE-2020-14009
Proofpoint Enterprise Protection Malformed Multipart Email Attachment Scanning Bypass
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.

INFO

Published Date :

May 7, 2021, 12:15 p.m.

Last Modified :

May 19, 2021, 7:51 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.4

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2020-14009 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Proofpoint enterprise_protection
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-14009.

URL Resource
https://www.proofpoint.com/us/security/security-advisories Vendor Advisory
https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0006 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-14009 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-14009 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    May. 19, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
    Changed Reference Type https://www.proofpoint.com/us/security/security-advisories No Types Assigned https://www.proofpoint.com/us/security/security-advisories Vendor Advisory
    Changed Reference Type https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0006 No Types Assigned https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0006 Vendor Advisory
    Added CWE NIST CWE-354
    Added CPE Configuration OR *cpe:2.3:a:proofpoint:enterprise_protection:*:*:*:*:-:*:*:* versions up to (excluding) 8.13.16 *cpe:2.3:a:proofpoint:enterprise_protection:*:*:*:*:-:*:*:* versions from (including) 8.14.0 up to (excluding) 8.16.4
  • CVE Modified by [email protected]

    May. 12, 2021

    Action Type Old Value New Value
    Changed Description Proofpoint Enterprise Protection (PPS/PoD) before 8.17.0 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. 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.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-14009 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-14009 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.09 }} 0.00%

score

0.38357

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability