Vulnerability Name:

CVE-2021-1957 (CCN-209127)

Assigned:2020-12-08
Published:2021-09-06
Updated:2021-09-22
Summary:Improper Access Control when ACL link encryption is failed and ACL link is not disconnected during reconnection with paired device in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
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): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
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): High
CVSS v2 Severity:3.3 Low (CVSS v2 Vector: AV:A/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
6.1 Medium (CCN CVSS v2 Vector: AV:A/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-1957

Source: XF
Type: UNKNOWN
qualcomm-cve20211957-dos(209127)

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

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

Vulnerable Configuration:Configuration 1:
  • cpe:/o:qualcomm:apq8017_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:apq8017:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:qualcomm:qca6174a_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6174a:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:qualcomm:qca6390_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6390:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6391:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:qualcomm:qca6421_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6421:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6426:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:qualcomm:qca6431_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6431:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6436:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6574au:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qca6696:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:qualcomm:qcm6125_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qcm6125:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:qualcomm:qcs610_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qcs610:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:qualcomm:qcs6125_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qcs6125:-:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:qualcomm:qrb5165_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qrb5165:-:*:*:*:*:*:*:*

    • Configuration 15:
  • cpe:/o:qualcomm:qualcomm215_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:qualcomm215:-:*:*:*:*:*:*:*

    • Configuration 16:
  • cpe:/o:qualcomm:sa6145p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa6145p:-:*:*:*:*:*:*:*

    • Configuration 17:
  • cpe:/o:qualcomm:sa6150p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa6150p:-:*:*:*:*:*:*:*

    • Configuration 18:
  • cpe:/o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa6155p:-:*:*:*:*:*:*:*

    • Configuration 19:
  • cpe:/o:qualcomm:sa8145p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa8145p:-:*:*:*:*:*:*:*

    • Configuration 20:
  • cpe:/o:qualcomm:sa8150p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa8150p:-:*:*:*:*:*:*:*

    • Configuration 21:
  • cpe:/o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa8155p:-:*:*:*:*:*:*:*

    • Configuration 22:
  • cpe:/o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sa8195p:-:*:*:*:*:*:*:*

    • Configuration 23:
  • cpe:/o:qualcomm:sd855_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sd855:-:*:*:*:*:*:*:*

    • Configuration 24:
  • cpe:/o:qualcomm:sd865_5g_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sd865_5g:-:*:*:*:*:*:*:*

    • Configuration 25:
  • cpe:/o:qualcomm:sd870_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sd870:-:*:*:*:*:*:*:*

    • Configuration 26:
  • cpe:/o:qualcomm:sdx55_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sdx55:-:*:*:*:*:*:*:*

    • Configuration 27:
  • cpe:/o:qualcomm:sdx55m_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sdx55m:-:*:*:*:*:*:*:*

    • Configuration 28:
  • cpe:/o:qualcomm:sdxr2_5g_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:sdxr2_5g:-:*:*:*:*:*:*:*

    • Configuration 29:
  • cpe:/o:qualcomm:wcd9326_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9326:-:*:*:*:*:*:*:*

    • Configuration 30:
  • cpe:/o:qualcomm:wcd9335_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9335:-:*:*:*:*:*:*:*

    • Configuration 31:
  • cpe:/o:qualcomm:wcd9341_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9341:-:*:*:*:*:*:*:*

    • Configuration 32:
  • cpe:/o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9370:-:*:*:*:*:*:*:*

    • Configuration 33:
  • cpe:/o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9380:-:*:*:*:*:*:*:*

    • Configuration 34:
  • cpe:/o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcd9385:-:*:*:*:*:*:*:*

    • Configuration 35:
  • cpe:/o:qualcomm:wcn3610_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3610:-:*:*:*:*:*:*:*

    • Configuration 36:
  • cpe:/o:qualcomm:wcn3615_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3615:-:*:*:*:*:*:*:*

    • Configuration 37:
  • cpe:/o:qualcomm:wcn3660b_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3660b:-:*:*:*:*:*:*:*

    • Configuration 38:
  • cpe:/o:qualcomm:wcn3680_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3680:-:*:*:*:*:*:*:*

    • Configuration 39:
  • cpe:/o:qualcomm:wcn3950_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3950:-:*:*:*:*:*:*:*

    • Configuration 40:
  • cpe:/o:qualcomm:wcn3980_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3980:-:*:*:*:*:*:*:*

    • Configuration 41:
  • cpe:/o:qualcomm:wcn3990_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3990:-:*:*:*:*:*:*:*

    • Configuration 42:
  • cpe:/o:qualcomm:wcn3998_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn3998:-:*:*:*:*:*:*:*

    • Configuration 43:
  • cpe:/o:qualcomm:wcn6850_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn6850:-:*:*:*:*:*:*:*

    • Configuration 44:
  • cpe:/o:qualcomm:wcn6851_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wcn6851:-:*:*:*:*:*:*:*

    • Configuration 45:
  • cpe:/o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wsa8810:-:*:*:*:*:*:*:*

    • Configuration 46:
  • cpe:/o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:qualcomm:wsa8815:-:*:*:*:*:*:*:*

    • 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_industrial_internet_of_things:-:*:*:*:*:*:*:*
  • OR cpe:/h:qualcomm:snapdragon_voice_&_music:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    qualcomm apq8017 firmware -
    qualcomm apq8017 -
    qualcomm qca6174a firmware -
    qualcomm qca6174a -
    qualcomm qca6390 firmware -
    qualcomm qca6390 -
    qualcomm qca6391 firmware -
    qualcomm qca6391 -
    qualcomm qca6421 firmware -
    qualcomm qca6421 -
    qualcomm qca6426 firmware -
    qualcomm qca6426 -
    qualcomm qca6431 firmware -
    qualcomm qca6431 -
    qualcomm qca6436 firmware -
    qualcomm qca6436 -
    qualcomm qca6574au firmware -
    qualcomm qca6574au -
    qualcomm qca6696 firmware -
    qualcomm qca6696 -
    qualcomm qcm6125 firmware -
    qualcomm qcm6125 -
    qualcomm qcs610 firmware -
    qualcomm qcs610 -
    qualcomm qcs6125 firmware -
    qualcomm qcs6125 -
    qualcomm qrb5165 firmware -
    qualcomm qrb5165 -
    qualcomm qualcomm215 firmware -
    qualcomm qualcomm215 -
    qualcomm sa6145p firmware -
    qualcomm sa6145p -
    qualcomm sa6150p firmware -
    qualcomm sa6150p -
    qualcomm sa6155p firmware -
    qualcomm sa6155p -
    qualcomm sa8145p firmware -
    qualcomm sa8145p -
    qualcomm sa8150p firmware -
    qualcomm sa8150p -
    qualcomm sa8155p firmware -
    qualcomm sa8155p -
    qualcomm sa8195p firmware -
    qualcomm sa8195p -
    qualcomm sd855 firmware -
    qualcomm sd855 -
    qualcomm sd865 5g firmware -
    qualcomm sd865 5g -
    qualcomm sd870 firmware -
    qualcomm sd870 -
    qualcomm sdx55 firmware -
    qualcomm sdx55 -
    qualcomm sdx55m firmware -
    qualcomm sdx55m -
    qualcomm sdxr2 5g firmware -
    qualcomm sdxr2 5g -
    qualcomm wcd9326 firmware -
    qualcomm wcd9326 -
    qualcomm wcd9335 firmware -
    qualcomm wcd9335 -
    qualcomm wcd9341 firmware -
    qualcomm wcd9341 -
    qualcomm wcd9370 firmware -
    qualcomm wcd9370 -
    qualcomm wcd9380 firmware -
    qualcomm wcd9380 -
    qualcomm wcd9385 firmware -
    qualcomm wcd9385 -
    qualcomm wcn3610 firmware -
    qualcomm wcn3610 -
    qualcomm wcn3615 firmware -
    qualcomm wcn3615 -
    qualcomm wcn3660b firmware -
    qualcomm wcn3660b -
    qualcomm wcn3680 firmware -
    qualcomm wcn3680 -
    qualcomm wcn3950 firmware -
    qualcomm wcn3950 -
    qualcomm wcn3980 firmware -
    qualcomm wcn3980 -
    qualcomm wcn3990 firmware -
    qualcomm wcn3990 -
    qualcomm wcn3998 firmware -
    qualcomm wcn3998 -
    qualcomm wcn6850 firmware -
    qualcomm wcn6850 -
    qualcomm wcn6851 firmware -
    qualcomm wcn6851 -
    qualcomm wsa8810 firmware -
    qualcomm wsa8810 -
    qualcomm wsa8815 firmware -
    qualcomm wsa8815 -
    qualcomm snapdragon mobile -
    qualcomm snapdragon auto -
    qualcomm snapdragon compute -
    qualcomm snapdragon connectivity -
    qualcomm snapdragon industrial internet of things -
    qualcomm snapdragon voice & music -