CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.9 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Apple macOS up to 11.1 (Operating System). This affects some unknown processing of the component WebKit. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was shared 02/01/2021 as HT212147 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2021-1871. It demands that the victim is doing some kind of user interaction. Technical details are unknown but an exploit is available. The advisory points out:
A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
It is declared as functional.
Upgrading to version 11.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
A logic issue was addressed with improved restrictions.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.9
VulDB Base Score: 6.3
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: 🔍
Exploiting
Class: Remote Code ExecutionCWE: Unknown
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Functional
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: macOS 11.2
Timeline
12/08/2020 🔍02/01/2021 🔍
02/01/2021 🔍
02/03/2021 🔍
02/23/2021 🔍
Sources
Vendor: apple.comAdvisory: HT212147
Status: Confirmed
CVE: CVE-2021-1871 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20180712
Entry
Created: 02/03/2021 14:14Updated: 02/23/2021 08:49
Changes: 02/03/2021 14:14 (12), 02/03/2021 14:15 (5), 02/03/2021 14:18 (29), 02/23/2021 08:49 (1)
Complete: 🔍
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