VDB-189690 · CVE-2022-21647 · GHSA-w6jr-wj64-mc9x

CodeIgniter up to 4.1.5 old deserialization

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in CodeIgniter up to 4.1.5 and classified as critical. The affected element is the function old. The manipulation results in deserialization. This vulnerability is known as CVE-2022-21647. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in CodeIgniter up to 4.1.5. It has been classified as critical. Affected is the function old. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 01/05/2022 as GHSA-w6jr-wj64-mc9x. The advisory is available at github.com. This vulnerability is traded as CVE-2022-21647 since 11/16/2021. Technical details are known, but there is no available exploit.

Upgrading to version 4.1.6 eliminates this vulnerability. Applying the patch ce95ed5765256e2f09f3513e7d42790e0d6948f5 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

CodeIgniter

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.7
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
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: 🔍

0-Day Time: 🔍

Upgrade: CodeIgniter 4.1.6
Patch: ce95ed5765256e2f09f3513e7d42790e0d6948f5

Timelineinfo

11/16/2021 🔍
01/05/2022 +50 days 🔍
01/05/2022 +0 days 🔍
01/06/2022 +1 days 🔍

Sourcesinfo

Advisory: GHSA-w6jr-wj64-mc9x
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-21647 (🔍)
GCVE (CVE): GCVE-0-2022-21647
GCVE (VulDB): GCVE-100-189690

Entryinfo

Created: 01/05/2022 03:42
Updated: 01/06/2022 14:42
Changes: 01/05/2022 03:42 (51), 01/06/2022 14:42 (2)
Complete: 🔍
Cache ID: 216::103