Apple iOS/iPadOS up to 15.4.1 WebRTC state issue

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2	$5k-$25k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Apple iOS and iPadOS up to 15.4.1. This affects an unknown part of the component WebRTC. This manipulation causes state issue. The identification of this vulnerability is CVE-2022-22677. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS and iPadOS up to 15.4.1 (Smartphone Operating System). It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component WebRTC. The manipulation with an unknown input leads to a state issue vulnerability. The CWE definition for the vulnerability is CWE-371. As an impact it is known to affect availability. The summary by CVE is:

A logic issue in the handling of concurrent media was addressed with improved state handling. This issue is fixed in macOS Monterey 12.4, iOS 15.5 and iPadOS 15.5. Video self-preview in a webRTC call may be interrupted if the user answers a phone call.

The weakness was shared 05/16/2022 as HT213258 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2022-22677. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/28/2026). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Video self-preview in a webRTC call may be interrupted if the user answers a phone call

Upgrading to version 15.5 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 in the handling of concurrent media was addressed with improved state handling.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-27822). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Apple

Name

Version

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: State issue
CWE: CWE-371
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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iOS/iPadOS 15.5

Timelineinfo

01/05/2022 🔍
05/16/2022 +130 days 🔍
05/16/2022 +0 days 🔍
05/17/2022 +1 days 🔍
04/28/2026 +1442 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213258
Status: Confirmed

CVE: CVE-2022-22677 (🔍)
GCVE (CVE): GCVE-0-2022-22677
GCVE (VulDB): GCVE-100-200059
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 05/17/2022 16:14
Updated: 04/28/2026 11:31
Changes: 05/17/2022 16:14 (18), 05/17/2022 16:17 (28), 05/24/2022 08:49 (1), 05/07/2025 05:01 (26), 04/28/2026 11:31 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.