9.8
CRITICAL
CVE-2021-29998
VxWorks DHCP Client Heap Overflow Vulnerability
Description
An issue was discovered in Wind River VxWorks before 6.5. There is a possible heap overflow in dhcp client.
INFO
Published Date :
April 13, 2021, 5:15 p.m.
Last Modified :
Oct. 5, 2022, 4:33 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-29998
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.
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-2021-29998.
| URL | Resource |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-560465.pdf | Third Party Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-910883.pdf | Third Party Advisory |
| https://support2.windriver.com/index.php?page=security-notices | Vendor Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-194-12 | Third Party Advisory US Government Resource |
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-2021-29998 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-29998 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 -
Modified Analysis by [email protected]
Oct. 05, 2022
Action Type Old Value New Value Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-910883.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-910883.pdf Third Party Advisory Added CPE Configuration AND OR *cpe:2.3:o:siemens:sinamics_perfect_harmony_gh180_firmware:*:*:*:*:*:*:*:* versions from (including) 2015 up to (excluding) 2022 OR cpe:2.3:h:siemens:sinamics_perfect_harmony_gh180:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-910883.pdf [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 22, 2022
Action Type Old Value New Value Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-560465.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-560465.pdf Third Party Advisory Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-21-194-12 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-21-194-12 Third Party Advisory, US Government Resource Added CPE Configuration AND OR *cpe:2.3:o:siemens:ruggedcom_win_subscriber_station_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:ruggedcom_win_subscriber_station:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x200-4_p_irt_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x200-4_p_irt:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x201-3p_irt_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x201-3p_irt:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x201-3p_irt_pro_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x201-3p_irt_pro:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x202-2_irt_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x202-2_irt:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x202-2p_irt_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x202-2p_irt:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x202-2p_irt_pro_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x202-2p_irt_pro:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x204_irt_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x204_irt:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x204_irt_pro_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x204_irt_pro:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x204-2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x204-2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x204-2fm_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x204-2fm:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x204-2ld_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x204-2ld:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x204-2ld_ts_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x204-2ld_ts:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x204-2ts_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x204-2ts:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x206-1_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x206-1:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x206-1ld_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x206-1ld:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x208_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x208:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x208_pro_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x208_pro:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x212-2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x212-2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x212-2ld_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x212-2ld:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x216_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x216:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x224_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x224:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x300_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x300:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x408_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_x408:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xf201-3p_irt_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_xf201-3p_irt:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xf202-2p_irt_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_xf202-2p_irt:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xf204_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_xf204:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xf204_irt_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_xf204_irt:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xf204-2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_xf204-2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xf204-2ba_irt_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_xf204-2ba_irt:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xf206-1_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_xf206-1:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xf208_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:scalance_xf208:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_rf_181_eip_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_rf_181_eip:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_rf_182c_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_rf_182c:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 30, 2021
Action Type Old Value New Value Added Reference https://us-cert.cisa.gov/ics/advisories/icsa-21-194-12 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 13, 2021
Action Type Old Value New Value Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-560465.pdf [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:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 Vendor Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:* versions up to (excluding) 6.5
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-2021-29998 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-2021-29998
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.58 }} 0.05%
score
0.75683
percentile
CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability