Vulnerability Name:

CVE-2021-26254 (CCN-233138)

Assigned:2021-12-09
Published:2022-08-09
Updated:2022-08-19
Summary:Out of bounds read for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow a privileged user to potentially enable denial of service via local access.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-125
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-26254

Source: XF
Type: UNKNOWN
intel-cve202126254-dos(233138)

Source: CCN
Type: INTEL-SA-00621
Intel PROSet/Wireless WiFi and Killer WiFi Advisory

Source: MISC
Type: Patch, Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00621.html

Vulnerable Configuration:Configuration 1:
  • cpe:/o:intel:killer_ac_1550_firmware:*:*:*:*:*:*:*:* (Version < 3.1122.1105)
  • AND
  • cpe:/h:intel:killer_ac_1550:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:intel:killer_wi-fi_6_ax1650_firmware:*:*:*:*:*:*:*:* (Version < 3.1122.1105)
  • AND
  • cpe:/h:intel:killer_wi-fi_6_ax1650:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:intel:killer_wi-fi_6e_ax1690_firmware:*:*:*:*:*:*:*:* (Version < 3.1122.1105)
  • AND
  • cpe:/h:intel:killer_wi-fi_6e_ax1690:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:intel:killer_wi-fi_6e_ax1675_firmware:*:*:*:*:*:*:*:* (Version < 3.1122.1105)
  • AND
  • cpe:/h:intel:killer_wi-fi_6e_ax1675:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:intel:proset_wi-fi_6e_ax210_firmware:*:*:*:*:*:*:*:* (Version < 22.120)
  • AND
  • cpe:/h:intel:proset_wi-fi_6e_ax210:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:intel:wi-fi_6e_ax211_firmware:*:*:*:*:*:*:*:* (Version < 22.120)
  • AND
  • cpe:/h:intel:wi-fi_6e_ax211:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:intel:wi-fi_6_ax200_firmware:*:*:*:*:*:*:*:* (Version < 22.120)
  • AND
  • cpe:/h:intel:wi-fi_6_ax200:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:intel:wi-fi_6_ax201_firmware:*:*:*:*:*:*:*:* (Version < 22.120)
  • AND
  • cpe:/h:intel:wi-fi_6_ax201:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:intel:wi-fi_6e_ax411_firmware:*:*:*:*:*:*:*:* (Version < 22.120)
  • AND
  • cpe:/h:intel:wi-fi_6e_ax411:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:intel:wi-fi_6_ax201:-:*:*:*:*:*:*:*
  • OR cpe:/h:intel:killer_wi-fi_6e_ax1675:-:*:*:*:*:*:*:*
  • OR cpe:/h:intel:killer_wi-fi_6_ax1650:-:*:*:*:*:*:*:*
  • OR cpe:/h:intel:wi-fi_6_ax200:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    intel killer ac 1550 firmware *
    intel killer ac 1550 -
    intel killer wi-fi 6 ax1650 firmware *
    intel killer wi-fi 6 ax1650 -
    intel killer wi-fi 6e ax1690 firmware *
    intel killer wi-fi 6e ax1690 -
    intel killer wi-fi 6e ax1675 firmware *
    intel killer wi-fi 6e ax1675 -
    intel proset wi-fi 6e ax210 firmware *
    intel proset wi-fi 6e ax210 -
    intel wi-fi 6e ax211 firmware *
    intel wi-fi 6e ax211 -
    intel wi-fi 6 ax200 firmware *
    intel wi-fi 6 ax200 -
    intel wi-fi 6 ax201 firmware *
    intel wi-fi 6 ax201 -
    intel wi-fi 6e ax411 firmware *
    intel wi-fi 6e ax411 -
    intel wi-fi 6 ax201 -
    intel killer wi-fi 6e ax1675 -
    intel killer wi-fi 6 ax1650 -
    intel wi-fi 6 ax200 -