7.8
HIGH
CVE-2021-42727
Adobe Bridge Heap Overflow \| Remote Code Execution
Description

Adobe Bridge 11.1.1 (and earlier) is affected by a stack overflow vulnerability due to insecure handling of a crafted file, potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file in Bridge.

INFO

Published Date :

Nov. 22, 2021, 4:15 p.m.

Last Modified :

Nov. 21, 2024, 6:28 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-42727 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 Adobe bridge
2 Adobe robohelp_server
1 Microsoft windows
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-2021-42727.

URL Resource
https://helpx.adobe.com/security/products/bridge/apsb21-94.html Not Applicable Vendor Advisory
https://helpx.adobe.com/security/products/bridge/apsb21-94.html Not Applicable 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-2021-42727 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-42727 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://helpx.adobe.com/security/products/bridge/apsb21-94.html
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Jul. 21, 2022

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 28, 2022

    Action Type Old Value New Value
    Removed CWE Adobe Systems Incorporated CWE-120
    Added CWE Adobe Systems Incorporated CWE-787
    Removed CWE Reason CWE-120 / More specific CWE option available
  • Modified Analysis by [email protected]

    Apr. 06, 2022

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:C/I:C/A:C)
    Changed Reference Type https://helpx.adobe.com/security/products/bridge/apsb21-94.html No Types Assigned https://helpx.adobe.com/security/products/bridge/apsb21-94.html Not Applicable, Vendor Advisory
    Added CWE NIST CWE-787
  • CVE Modified by [email protected]

    Mar. 16, 2022

    Action Type Old Value New Value
    Changed Description Acrobat RoboHelp Server versions 2020.0.1 (and earlier) are affected by a Path traversal vulnerability. The authenticated attacker can send an HTTP POST request which will place a malicious .jsp file in the folder 'C:\Program Files\Adobe\Adobe RoboHelp Server 11\admin' to cause remote code execution with privileges of user running Tomcat. Exploitation of this issue requires user interaction in that a victim must navigate to a planted file on the server. Adobe Bridge 11.1.1 (and earlier) is affected by a stack overflow vulnerability due to insecure handling of a crafted file, potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file in Bridge.
    Removed CVSS V3.1 Adobe Systems Incorporated AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3.1 Adobe Systems Incorporated AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Removed CVSS V3.1 Reason AV-File parsed local
    Removed Reference https://helpx.adobe.com/security/products/robohelp-server/apsb21-87.html [Vendor Advisory]
    Added Reference https://helpx.adobe.com/security/products/bridge/apsb21-94.html [No Types Assigned]
    Removed CWE Adobe Systems Incorporated CWE-22
    Added CWE Adobe Systems Incorporated CWE-120
  • CVE Modified by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed Description Acrobat RoboHelp Server versions 2020.0.1 (and earlier) are affected by a Path traversal vulnerability. The authenticated attacker can upload arbitrary files outside of the intended directory to cause remote code execution with privileges of user running Tomcat. Exploitation of this issue requires user interaction in that a victim must navigate to a planted file on the server. Acrobat RoboHelp Server versions 2020.0.1 (and earlier) are affected by a Path traversal vulnerability. The authenticated attacker can send an HTTP POST request which will place a malicious .jsp file in the folder 'C:\Program Files\Adobe\Adobe RoboHelp Server 11\admin' to cause remote code execution with privileges of user running Tomcat. Exploitation of this issue requires user interaction in that a victim must navigate to a planted file on the server.
  • Initial Analysis by [email protected]

    Nov. 24, 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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://helpx.adobe.com/security/products/robohelp-server/apsb21-87.html No Types Assigned https://helpx.adobe.com/security/products/robohelp-server/apsb21-87.html Vendor Advisory
    Added CPE Configuration AND OR *cpe:2.3:a:adobe:robohelp_server:*:*:*:*:*:*:*:* versions up to (including) 2020.0.1 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
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-2021-42727 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-2021-42727 weaknesses.

Exploit Prediction

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

4.63 }} 0.23%

score

0.92764

percentile

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