CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.1 | $5k-$25k | 0.00 |
A vulnerability was found in Apple iOS and iPadOS up to 14.4.2 (Smartphone Operating System) and classified as problematic. Affected by this issue is some unknown functionality of the component WebKit. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.
The weakness was released 04/26/2021 as HT212317 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2021-1826. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/30/2021). It is expected to see the exploit prices for this product increasing in the near future.This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project. The advisory points out:
Processing maliciously crafted web content may lead to universal cross site scripting
Upgrading to version 14.5 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: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Cross site scriptingCWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007
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: iOS/iPadOS 14.5
Timeline
12/08/2020 🔍04/26/2021 🔍
04/26/2021 🔍
04/27/2021 🔍
04/30/2021 🔍
Sources
Vendor: apple.comAdvisory: HT212317
Status: Confirmed
CVE: CVE-2021-1826 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 04/27/2021 08:25Updated: 04/30/2021 14:12
Changes: 04/27/2021 08:25 (17), 04/27/2021 08:28 (29), 04/30/2021 14:12 (4)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.