| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Apple Safari up to 13.0. This affects an unknown function of the component WebKit. The manipulation results in type confusion. This vulnerability is identified as CVE-2020-3897. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.
Details
A vulnerability was found in Apple Safari up to 13.0 (Web Browser). It has been classified as critical. Affected is an unknown code block of the component WebKit. The manipulation with an unknown input leads to a type confusion vulnerability. CWE is classifying the issue as CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was released 03/24/2020 by Brendan Draper with Zero Day Initiative as HT211104 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2020-3897. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/02/2020). The advisory points out:
A type confusion issue was addressed with improved memory handling.
Upgrading to version 13.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Entries connected to this vulnerability are available at VDB-152531, VDB-152549, VDB-152550 and VDB-152551. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.4
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Type confusionCWE: CWE-843
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Safari 13.1
Timeline
12/18/2019 🔍03/24/2020 🔍
03/24/2020 🔍
04/02/2020 🔍
10/06/2020 🔍
Sources
Vendor: apple.comAdvisory: HT211104
Researcher: Brendan Draper
Organization: Zero Day Initiative
Status: Confirmed
CVE: CVE-2020-3897 (🔍)
GCVE (CVE): GCVE-0-2020-3897
GCVE (VulDB): GCVE-100-152556
See also: 🔍
Entry
Created: 04/02/2020 10:49Updated: 10/06/2020 12:02
Changes: 04/02/2020 10:49 (47), 04/02/2020 10:54 (16), 10/06/2020 12:02 (2)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.

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