Vulnerability Name:

CVE-2021-1903 (CCN-213487)

Assigned:2020-12-08
Published:2021-11-01
Updated:2021-11-16
Summary:Possible denial of service scenario can occur due to lack of length check on Channel Switch Announcement IE in beacon or probe response frame in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-863
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-1903

Source: XF
Type: UNKNOWN
qualcomm-cve20211903-dos(213487)

Source: CCN
Type: Qualcomm Web site
November 2021 Security Bulletin

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/h:qualcomm:snapdragon_mobile:-:*:*:*:*:*:*:*
  • OR cpe:/h:qualcomm:snapdragon_auto:-:*:*:*:*:*:*:*
  • OR cpe:/h:qualcomm:snapdragon_compute:-:*:*:*:*:*:*:*
  • OR cpe:/h:qualcomm:snapdragon_connectivity:-:*:*:*:*:*:*:*
  • OR cpe:/h:qualcomm:snapdragon_consumer_electronics_connectivity:-:*:*:*:*:*:*:*
  • OR cpe:/h:qualcomm:snapdragon_consumer_internet_of_things:-:*:*:*:*:*:*:*
  • OR cpe:/h:qualcomm:snapdragon_industrial_internet_of_things:-:*:*:*:*:*:*:*
  • OR cpe:/h:qualcomm:snapdragon_voice_&_music:-:*:*:*:*:*:*:*
  • OR cpe:/o:qualcomm:snapdragon_wired_infrastructure_&_networking:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    qualcomm snapdragon mobile -
    qualcomm snapdragon auto -
    qualcomm snapdragon compute -
    qualcomm snapdragon connectivity -
    qualcomm snapdragon consumer electronics connectivity -
    qualcomm snapdragon consumer internet of things -
    qualcomm snapdragon industrial internet of things -
    qualcomm snapdragon voice & music -
    qualcomm snapdragon wired infrastructure & networking -