// For flags

CVE-2021-45951

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Dnsmasq 2.86 has a heap-based buffer overflow in check_bad_address (called from check_for_bogus_wildcard and FuzzCheckForBogusWildcard). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of our knowledge.

** EN DISPUTA ** Dnsmasq versión 2.86, presenta un desbordamiento de búfer en la región heap de la memoria en la función check_bad_address (llamado desde check_for_bogus_wildcard y FuzzCheckForBogusWildcard). NOTA: la posición del proveedor es que CVE-2021-45951 a CVE-2021-45957 "no representan vulnerabilidades reales, según nuestro conocimiento"

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-12-31 CVE Reserved
  • 2021-12-31 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • 2024-09-15 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Thekelleys
Search vendor "Thekelleys"
 Dnsmasq
Search vendor "Thekelleys" for product "Dnsmasq"
 2.86
Search vendor "Thekelleys" for product "Dnsmasq" and version "2.86"
-
Affected