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CVE-2022-39297— Deserialization of untrusted data in MelisCms

Quick assessment

Affected
melisplatform melis-cms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Melis Platform是Melis Platform开源的一个开源跨框架数字平台。 Melis Platform MelisCms 5.0.1之前版本存在安全漏洞，该漏洞源于可以反序列化melisplatform/melis-cms上的任意数据，并最终导致在系统上执行任意PHP代码。

CVSS 7.7 · High EPSS 1.02% · P61
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I. Basic Information for CVE-2022-39297

Vulnerability Information
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Vulnerability Title
Deserialization of untrusted data in MelisCms
Source: CVE Program / CVE List V5
Vulnerability Description
MelisCms provides a full CMS for Melis Platform, including templating system, drag'n'drop of plugins, SEO and many administration tools. Attackers can deserialize arbitrary data on affected versions of `melisplatform/melis-cms`, and ultimately leads to the execution of arbitrary PHP code on the system. Conducting this attack does not require authentication. Users should immediately upgrade to `melisplatform/melis-cms` >= 5.0.1. This issue was addressed by restricting allowed classes when deserializing user-controlled data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Melis Platform 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Melis Platform是Melis Platform开源的一个开源跨框架数字平台。 Melis Platform MelisCms 5.0.1之前版本存在安全漏洞，该漏洞源于可以反序列化melisplatform/melis-cms上的任意数据，并最终导致在系统上执行任意PHP代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
melisplatform melis-cms <= 5.0.0 -

II. Public POCs for CVE-2022-39297

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III. Intelligence Information for CVE-2022-39297

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Patches & Fixes for CVE-2022-39297 (1)

Vendor Advisories for CVE-2022-39297 (1)

IV. Related Vulnerabilities

Same vendor: melisplatform
Same weakness: CWE-502

V. Comments for CVE-2022-39297

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