CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.4 | $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. This issue affects some unknown processing of the component App Store. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability.
The weakness was released 04/26/2021 by Aapo Oksman as HT212317 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2021-1837. Neither technical details nor an exploit are publicly available. The price for an exploit might be around 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.MITRE ATT&CK project uses the attack technique T1587.003 for this issue. The advisory points out:
An attacker in a privileged network position may be able to alter network traffic
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 certificate validation issue was addressed.
Entries connected to this vulnerability are available at VDB-182241, VDB-182242, VDB-182243 and VDB-182251.
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: 5.6VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
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: Certificate validationCWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍
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
Researcher: Aapo Oksman
Status: Confirmed
CVE: CVE-2021-1837 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 04/27/2021 07:29Updated: 04/30/2021 10:11
Changes: 04/27/2021 07:29 (19), 04/27/2021 07:33 (28), 04/30/2021 10:11 (4)
Complete: 🔍
Cache ID: 3:B05:103
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