CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.5 | $5k-$25k | 0.00 |
A vulnerability classified as critical has been found in Apple iOS and iPadOS up to 15.0.2 (Smartphone Operating System). This affects some unknown functionality of the component GPU Drivers. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was released 10/25/2021 by Yinyi Wu as HT212867 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2021-30900. Technical details are unknown but an exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/28/2024). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:
A malicious application may be able to execute arbitrary code with kernel privileges
It is declared as highly functional. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/30/2023 with a due date of 04/20/2023:
Apply updates per vendor instructions.
Upgrading to version 15.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
An out-of-bounds write issue was addressed with improved bounds checking.
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: 7.8VulDB Meta Temp Score: 7.5
VulDB Base Score: 7.8
VulDB Temp Score: 7.5
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: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Highly functional
EPSS Score: 🔍
EPSS Percentile: 🔍
KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍
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: iOS/iPadOS 15.1
Timeline
04/13/2021 🔍10/25/2021 🔍
10/25/2021 🔍
10/27/2021 🔍
04/28/2024 🔍
Sources
Vendor: apple.comAdvisory: HT212867
Researcher: Yinyi Wu
Status: Confirmed
CVE: CVE-2021-30900 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 10/27/2021 08:21Updated: 04/28/2024 11:11
Changes: 10/27/2021 08:21 (19), 10/27/2021 08:24 (28), 10/31/2021 09:22 (2), 04/28/2024 11:11 (27)
Complete: 🔍
Cache ID: 18:F02:103
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