Description

Use after free can occur due to improper handling of response from firmware in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

INFO

Published Date :

July 13, 2021, 6:15 a.m.

Last Modified :

Nov. 21, 2024, 5:45 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

2.5
Public PoC/Exploit Available at Github

CVE-2021-1940 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-1940 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 qca6391_firmware
3 Qualcomm qca6420_firmware
4 Qualcomm qca6430_firmware
5 Qualcomm qca6574au_firmware
6 Qualcomm qca6595au_firmware
7 Qualcomm qca6696_firmware
8 Qualcomm sa6145p_firmware
9 Qualcomm sa6155p_firmware
10 Qualcomm sa8155p_firmware
11 Qualcomm sa8195p_firmware
12 Qualcomm sd855_firmware
13 Qualcomm sdx55m_firmware
14 Qualcomm wcd9341_firmware
15 Qualcomm wcd9380_firmware
16 Qualcomm wcn3980_firmware
17 Qualcomm wcn3988_firmware
18 Qualcomm wcn3998_firmware
19 Qualcomm wsa8810_firmware
20 Qualcomm wsa8815_firmware
21 Qualcomm ar8035_firmware
22 Qualcomm csra6620_firmware
23 Qualcomm csra6640_firmware
24 Qualcomm wcn3991_firmware
25 Qualcomm qca6564au_firmware
26 Qualcomm qca6574_firmware
27 Qualcomm qca6574a_firmware
28 Qualcomm qca6584au_firmware
29 Qualcomm qca8337_firmware
30 Qualcomm sa6155_firmware
31 Qualcomm sa8155_firmware
32 Qualcomm sd_8cx_firmware
33 Qualcomm sd660_firmware
34 Qualcomm sd730_firmware
35 Qualcomm sdx55_firmware
36 Qualcomm sm6250_firmware
37 Qualcomm sm6250p_firmware
38 Qualcomm wcd9335_firmware
39 Qualcomm wcd9340_firmware
40 Qualcomm wcd9370_firmware
41 Qualcomm wcd9375_firmware
42 Qualcomm wcn3950_firmware
43 Qualcomm wcn3990_firmware
44 Qualcomm wcn3660b_firmware
45 Qualcomm sa515m_firmware
46 Qualcomm sda429w_firmware
47 Qualcomm wcn3610_firmware
48 Qualcomm qca6564a_firmware
49 Qualcomm qcs410_firmware
50 Qualcomm qcs610_firmware
51 Qualcomm sa415m_firmware
52 Qualcomm fsm10056_firmware
53 Qualcomm qca6564_firmware
54 Qualcomm sd_675_firmware
55 Qualcomm sd675_firmware
56 Qualcomm sd678_firmware
57 Qualcomm sdx50m_firmware
58 Qualcomm qcm6125_firmware
59 Qualcomm qcs6125_firmware
60 Qualcomm wcn3620_firmware
61 Qualcomm sd665_firmware
62 Qualcomm ar8031_firmware
63 Qualcomm sd720g_firmware
64 Qualcomm qcs405_firmware
65 Qualcomm wcn3999_firmware
66 Qualcomm fsm10055_firmware
67 Qualcomm sd_8c_firmware
68 Qualcomm aqt1000
69 Qualcomm ar8031
70 Qualcomm ar8035
71 Qualcomm csra6620
72 Qualcomm csra6640
73 Qualcomm qca6391
74 Qualcomm qca6420
75 Qualcomm qca6430
76 Qualcomm qca6564
77 Qualcomm qca6564a
78 Qualcomm qca6564au
79 Qualcomm qca6574
80 Qualcomm qca6574a
81 Qualcomm qca6574au
82 Qualcomm qca6584au
83 Qualcomm qca6595au
84 Qualcomm qca6696
85 Qualcomm qcm6125
86 Qualcomm qcs405
87 Qualcomm qcs410
88 Qualcomm qcs610
89 Qualcomm qcs6125
90 Qualcomm sa415m
91 Qualcomm sa6145p
92 Qualcomm sa6155
93 Qualcomm sa6155p
94 Qualcomm sa8155
95 Qualcomm sa8155p
96 Qualcomm sa8195p
97 Qualcomm sd_675
98 Qualcomm sd_8c
99 Qualcomm sd_8cx
100 Qualcomm sd660
101 Qualcomm sd665
102 Qualcomm sd675
103 Qualcomm sd720g
104 Qualcomm sd730
105 Qualcomm sd855
106 Qualcomm sda429w
107 Qualcomm sdx50m
108 Qualcomm sdx55
109 Qualcomm sdx55m
110 Qualcomm sm6250
111 Qualcomm sm6250p
112 Qualcomm wcd9335
113 Qualcomm wcd9340
114 Qualcomm wcd9341
115 Qualcomm wcd9370
116 Qualcomm wcd9375
117 Qualcomm wcd9380
118 Qualcomm wcn3610
119 Qualcomm wcn3620
120 Qualcomm wcn3660b
121 Qualcomm wcn3950
122 Qualcomm wcn3980
123 Qualcomm wcn3988
124 Qualcomm wcn3990
125 Qualcomm wcn3991
126 Qualcomm wcn3998
127 Qualcomm wcn3999
128 Qualcomm wsa8810
129 Qualcomm wsa8815
130 Qualcomm qca8337
131 Qualcomm fsm10055
132 Qualcomm sa515m
133 Qualcomm fsm10056
134 Qualcomm sd678
References to Advisories, Solutions, and Tools

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).

None

Updated: 3 weeks, 4 days ago
7 stars 0 fork 0 watcher
Born at : Feb. 25, 2023, 10:40 a.m. This repo has been linked 178 different CVEs too.

A collection of links related to Linux kernel security and exploitation

linux-kernel kernel-exploitation exploit privilege-escalation security

Updated: 2 weeks, 2 days ago
5658 stars 912 fork 912 watcher
Born at : Nov. 13, 2016, 10:21 p.m. This repo has been linked 239 different CVEs too.

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

The following list is the news that have been mention CVE-2021-1940 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-1940 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/172856/Qualcomm-NPU-Use-After-Free-Information-Leak.html
    Added Reference https://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jun. 12, 2023

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/172856/Qualcomm-NPU-Use-After-Free-Information-Leak.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 15, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin No Types Assigned https://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin Patch, Vendor Advisory
    Added CWE NIST CWE-416
    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: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:qca6564_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6564:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6564a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6564a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6564au_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6564au:-:*:*:*:*:*:*:*
    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:qca6584au_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6584au:-:*:*:*:*:*:*:*
    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:sa415m_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa415m:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sa515m_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sa515m:-:*:*:*:*:*:*:*
    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: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: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_675_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd_675:-:*:*:*:*:*:*:*
    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:sd660_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd660:-:*:*:*:*:*:*:*
    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:sd675_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd675:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd678_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd678:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd720g_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd720g:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sd730_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sd730:-:*:*:*:*:*:*:*
    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:sda429w_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sda429w:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sdx50m_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sdx50m:-:*:*:*:*:*:*:*
    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:sm6250_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sm6250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sm6250p_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sm6250p:-:*:*:*:*:*:*:*
    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:wcn3610_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3610:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3620_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3620:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3660b_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3660b:-:*:*:*:*:*:*:*
    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:wcn3990_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3990:-:*:*:*:*:*:*:*
    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: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:-:*:*:*:*:*:*:*
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-2021-1940 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-2021-1940 weaknesses.

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

0.10264

percentile

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