5.3
MEDIUM
CVE-2021-29997
Wind River VxWorks IKE Stack Buffer Over-Read Vulnerability
Description

An issue was discovered in Wind River VxWorks 7 before 21.03. A specially crafted packet may lead to buffer over-read on IKE.

INFO

Published Date :

April 13, 2021, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 6:02 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-29997 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 Windriver vxworks
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-2021-29997.

URL Resource
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-29997 Vendor Advisory
https://support2.windriver.com/index.php?page=security-notices Vendor Advisory
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-29997 Vendor Advisory
https://support2.windriver.com/index.php?page=security-notices 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-2021-29997 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-29997 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://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-29997
    Added Reference https://support2.windriver.com/index.php?page=security-notices
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Jun. 10, 2021

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:P)
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Changed CPE Configuration OR *cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:* versions up to (excluding) 21.03 OR *cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:* versions from (including) 7.0 up to (excluding) 21.03
  • Modified Analysis by [email protected]

    May. 05, 2021

    Action Type Old Value New Value
    Changed Reference Type https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-29997 No Types Assigned https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-29997 Vendor Advisory
    Changed Reference Type https://support2.windriver.com/index.php?page=security-notices Third Party Advisory https://support2.windriver.com/index.php?page=security-notices Vendor Advisory
    Removed CWE NIST CWE-611
    Added CWE NIST CWE-125
    Removed CPE Configuration OR *cpe:2.3:a:perforce:helix_alm:2020.3.1:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 30, 2021

    Action Type Old Value New Value
    Changed Description XML External Entity Resolution (XXE) in Helix ALM. The XML Import functionality of the Administration console in Perforce Helix ALM 2020.3.1 Build 22 accepts XML input data that is parsed by insecurely configured software components, leading to XXE attacks. An issue was discovered in Wind River VxWorks 7 before 21.03. A specially crafted packet may lead to buffer over-read on IKE.
    Added Reference https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-29997 [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 16, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
    Changed Reference Type https://support2.windriver.com/index.php?page=security-notices No Types Assigned https://support2.windriver.com/index.php?page=security-notices Third Party Advisory
    Added CWE NIST CWE-611
    Added CPE Configuration OR *cpe:2.3:a:perforce:helix_alm:2020.3.1:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:* versions up to (excluding) 21.03
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-2021-29997 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-2021-29997 weaknesses.

Exploit Prediction

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

0.10 }} 0.01%

score

0.41998

percentile

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