Vulnerability Name:

CVE-2021-30321 (CCN-213391)

Assigned:2021-11-01
Published:2021-11-01
Updated:2021-11-16
Summary:Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/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): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-30321

Source: XF
Type: UNKNOWN
qualcomm-cve202130321-bo(213391)

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

Source: CONFIRM
Type: Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/november-2021-bulletin

Vulnerable Configuration:Configuration 1:
  • cpe:/o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:aqt1000:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:qualcomm:qca1062_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca1062:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:qualcomm:qca1064_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca1064:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:qualcomm:qca2066_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca2066:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:qualcomm:qca6320_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6320:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6391:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:qualcomm:qca6420_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6420:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6430:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:qualcomm:sc8280xp_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sc8280xp:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:qualcomm:sd_8cx_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sd_8cx:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:qualcomm:wcd9340_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9340:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:qualcomm:wcd9341_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9341:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9380:-:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9385:-:*:*:*:*:*:*:*

    • Configuration 15:
  • cpe:/o:qualcomm:wcn3998_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3998:-:*:*:*:*:*:*:*

    • Configuration 16:
  • cpe:/o:qualcomm:wcn6850_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn6850:-:*:*:*:*:*:*:*

    • Configuration 17:
  • cpe:/o:qualcomm:wcn6851_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn6851:-:*:*:*:*:*:*:*

    • Configuration 18:
  • cpe:/o:qualcomm:wcn6855_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn6855:-:*:*:*:*:*:*:*

    • Configuration 19:
  • cpe:/o:qualcomm:wcn6856_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn6856:-:*:*:*:*:*:*:*

    • Configuration 20:
  • cpe:/o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wsa8810:-:*:*:*:*:*:*:*

    • Configuration 21:
  • cpe:/o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wsa8815:-:*:*:*:*:*:*:*

    • Configuration 22:
  • cpe:/o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wsa8830:-:*:*:*:*:*:*:*

    • Configuration 23:
  • cpe:/o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wsa8835:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:qualcomm:snapdragon_compute:-:*:*:*:*:*:*:*
  • OR cpe:/h:qualcomm:snapdragon_connectivity:-:*:*:*:*:*:*:*
  • OR cpe:/h:qualcomm:snapdragon_consumer_electronics_connectivity:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    qualcomm aqt1000 firmware -
    qualcomm aqt1000 -
    qualcomm qca1062 firmware -
    qualcomm qca1062 -
    qualcomm qca1064 firmware -
    qualcomm qca1064 -
    qualcomm qca2066 firmware -
    qualcomm qca2066 -
    qualcomm qca6320 firmware -
    qualcomm qca6320 -
    qualcomm qca6391 firmware -
    qualcomm qca6391 -
    qualcomm qca6420 firmware -
    qualcomm qca6420 -
    qualcomm qca6430 firmware -
    qualcomm qca6430 -
    qualcomm sc8280xp firmware -
    qualcomm sc8280xp -
    qualcomm sd 8cx firmware -
    qualcomm sd 8cx -
    qualcomm wcd9340 firmware -
    qualcomm wcd9340 -
    qualcomm wcd9341 firmware -
    qualcomm wcd9341 -
    qualcomm wcd9380 firmware -
    qualcomm wcd9380 -
    qualcomm wcd9385 firmware -
    qualcomm wcd9385 -
    qualcomm wcn3998 firmware -
    qualcomm wcn3998 -
    qualcomm wcn6850 firmware -
    qualcomm wcn6850 -
    qualcomm wcn6851 firmware -
    qualcomm wcn6851 -
    qualcomm wcn6855 firmware -
    qualcomm wcn6855 -
    qualcomm wcn6856 firmware -
    qualcomm wcn6856 -
    qualcomm wsa8810 firmware -
    qualcomm wsa8810 -
    qualcomm wsa8815 firmware -
    qualcomm wsa8815 -
    qualcomm wsa8830 firmware -
    qualcomm wsa8830 -
    qualcomm wsa8835 firmware -
    qualcomm wsa8835 -
    qualcomm snapdragon compute -
    qualcomm snapdragon connectivity -
    qualcomm snapdragon consumer electronics connectivity -