6.7
MEDIUM
CVE-2021-1966
Snapdragon Buffer Overflow
Description

Possible buffer overflow due to lack of length check of source and destination buffer before copying in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

INFO

Published Date :

Oct. 20, 2021, 7:15 a.m.

Last Modified :

Oct. 26, 2021, 6:01 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.8
Affected Products

The following products are affected by CVE-2021-1966 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Qualcomm aqt1000_firmware
2 Qualcomm qca6390_firmware
3 Qualcomm qca6391_firmware
4 Qualcomm qca6420_firmware
5 Qualcomm qca6430_firmware
6 Qualcomm qca6574au_firmware
7 Qualcomm qca6595au_firmware
8 Qualcomm qca6696_firmware
9 Qualcomm sa6145p_firmware
10 Qualcomm sa6150p_firmware
11 Qualcomm sa6155p_firmware
12 Qualcomm sa8145p_firmware
13 Qualcomm sa8150p_firmware
14 Qualcomm sa8155p_firmware
15 Qualcomm sa8195p_firmware
16 Qualcomm sd855_firmware
17 Qualcomm sd865_5g_firmware
18 Qualcomm sd870_firmware
19 Qualcomm sdx55m_firmware
20 Qualcomm wcd9341_firmware
21 Qualcomm wcd9380_firmware
22 Qualcomm wcd9385_firmware
23 Qualcomm wcn3980_firmware
24 Qualcomm wcn3988_firmware
25 Qualcomm wcn3998_firmware
26 Qualcomm wcn6850_firmware
27 Qualcomm wcn6851_firmware
28 Qualcomm wsa8810_firmware
29 Qualcomm wsa8815_firmware
30 Qualcomm wsa8830_firmware
31 Qualcomm wsa8835_firmware
32 Qualcomm ar8035_firmware
33 Qualcomm csra6620_firmware
34 Qualcomm csra6640_firmware
35 Qualcomm wcn3991_firmware
36 Qualcomm qca6574_firmware
37 Qualcomm qca6574a_firmware
38 Qualcomm qca6595_firmware
39 Qualcomm qca8337_firmware
40 Qualcomm sa6155_firmware
41 Qualcomm sa8155_firmware
42 Qualcomm sd_8cx_firmware
43 Qualcomm sdx55_firmware
44 Qualcomm wcd9335_firmware
45 Qualcomm wcd9340_firmware
46 Qualcomm wcd9370_firmware
47 Qualcomm wcd9375_firmware
48 Qualcomm wcn3950_firmware
49 Qualcomm sd690_5g_firmware
50 Qualcomm sd765_firmware
51 Qualcomm sd765g_firmware
52 Qualcomm sd768g_firmware
53 Qualcomm qcs410_firmware
54 Qualcomm qcs610_firmware
55 Qualcomm fsm10056_firmware
56 Qualcomm qcm6125_firmware
57 Qualcomm qcs6125_firmware
58 Qualcomm sd665_firmware
59 Qualcomm ar8031_firmware
60 Qualcomm sd750g_firmware
61 Qualcomm qcs405_firmware
62 Qualcomm wcn3999_firmware
63 Qualcomm fsm10055_firmware
64 Qualcomm sm7250_firmware
65 Qualcomm sd_8c_firmware
: Total Affected Vendor : 1 | Products : 65
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-1966.

URL Resource
https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-1966 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-1966 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Oct. 26, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Changed Reference Type https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin No Types Assigned https://www.qualcomm.com/company/product-security/bulletins/october-2021-bulletin Patch, Vendor Advisory
    Added CWE NIST CWE-120
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:aqt1000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:ar8031_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:ar8031:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:ar8035:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:csra6620:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:csra6640:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fsm10055_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fsm10055:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fsm10056_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fsm10056:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6390_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6390:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6391:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6420_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6420:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6430:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6574_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6574:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6574a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6574au:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6595:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6595au:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6696:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca8337_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca8337:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcm6125_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcm6125:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcs405_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcs405:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcs410_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcs410:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcs610_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcs610:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcs6125_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcs6125:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa6145p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa6145p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa6150p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa6150p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa6155_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa6155:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa6155p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8145p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8145p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8150p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8150p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8155_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8155:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8155p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa8195p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd_8c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd_8c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd_8cx_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd_8cx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd665_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd665:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd690_5g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd690_5g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd750g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd750g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd765_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd765:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd765g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd765g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd768g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd768g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd855_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd855:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd865_5g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd865_5g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd870_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd870:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sdx55_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sdx55:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sdx55m_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sdx55m:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sm7250_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sm7250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9335_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9335:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9340_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9340:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9341_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9341:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9370:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9375:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9380:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9385:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3950_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3950:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3980_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3980:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3988_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3988:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3991_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3991:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3998_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3998:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3999_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3999:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn6850_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn6850:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn6851_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn6851:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8810:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8815:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8830:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8835:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-1966 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-1966 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.10314

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: