5.5
MEDIUM
CVE-2021-0423
WebEx Information Disclosure Vulnerability
Description

In memory management driver, there is a possible information disclosure due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05403499; Issue ID: ALPS05385714.

INFO

Published Date :

Sept. 27, 2021, 12:15 p.m.

Last Modified :

Nov. 21, 2024, 5:42 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-0423 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 Mediatek mt6779
2 Mediatek mt6785
3 Mediatek mt6833
4 Mediatek mt6853
5 Mediatek mt6853t
6 Mediatek mt6873
7 Mediatek mt6875
8 Mediatek mt6877
9 Mediatek mt6883
10 Mediatek mt6885
11 Mediatek mt6889
12 Mediatek mt6891
13 Mediatek mt6893
14 Mediatek mt6739
15 Mediatek mt6753
16 Mediatek mt6757
17 Mediatek mt6761
18 Mediatek mt6762
19 Mediatek mt6763
20 Mediatek mt6765
21 Mediatek mt6768
22 Mediatek mt6769
23 Mediatek mt6735
24 Mediatek mt6737
25 Mediatek mt6771
26 Mediatek mt6580
27 Mediatek mt6731
28 Mediatek mt6595
29 Mediatek mt6732
30 Mediatek mt6750
31 Mediatek mt6750s
32 Mediatek mt6752
33 Mediatek mt6755
34 Mediatek mt6758
35 Mediatek mt6795
36 Mediatek mt6797
37 Mediatek mt6799
38 Mediatek mt6757c
39 Mediatek mt6757cd
40 Mediatek mt6757ch
41 Mediatek mt6582_90
42 Mediatek mt6582e
43 Mediatek mt6582h
44 Mediatek mt6582t
45 Mediatek mt6582w
46 Mediatek mt6589
47 Mediatek mt6589td
48 Mediatek mt6592_90
49 Mediatek mt6592e
50 Mediatek mt6592h
51 Mediatek mt6592t
52 Mediatek mt6592w
53 Mediatek mt6755s
1 Google android
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-2021-0423.

URL Resource
https://corp.mediatek.com/product-security-bulletin/September-2021 Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/September-2021 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-2021-0423 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-0423 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 https://corp.mediatek.com/product-security-bulletin/September-2021
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jul. 12, 2022

    Action Type Old Value New Value
    Changed CWE CWE-909 CWE-665
  • Initial Analysis by [email protected]

    Oct. 01, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://corp.mediatek.com/product-security-bulletin/September-2021 No Types Assigned https://corp.mediatek.com/product-security-bulletin/September-2021 Vendor Advisory
    Added CWE NIST CWE-909
    Added CPE Configuration AND OR *cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* OR cpe:2.3:h:mediatek:mt6580:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6582_90:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6582e:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6582h:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6582t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6582w:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6589:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6589td:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6592_90:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6592e:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6592h:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6592t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6592w:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6595:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6731:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6732:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6735:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6737:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6750:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6750s:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6752:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6753:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6755:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6755s:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6757:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6757c:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6757cd:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6757ch:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6758:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6762:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6763:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6769:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6771:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6779:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6785:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6795:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6797:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6799:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6853t:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6873:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6875:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6891:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*
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-2021-0423 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-2021-0423 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

0.05635

percentile

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