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CRITICAL · CVSS 9.8 CISA Known Exploited Vulnerability

CVE-2024-34102

Adobe Commerce and Magento Open Source Improper Restriction of XML External Entity Reference (XXE) Vulnerability

Adobe Commerce and Magento Open Source

Adobe Commerce versions 2.4.7, 2.4.6-p5, 2.4.5-p7, 2.4.4-p8 and earlier are affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could result in arbitrary code execution. An attacker could exploit this vulnerability by sending a crafted XML document that references external entities. Exploitation of this issue does not require user interaction.

CVSS
9.8
CRITICAL
EPSS
100%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
13 Jun 2024
CWE-611

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 17 July 2024. US federal agencies were required to remediate it by 7 August 2024.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 100%, which is higher than 99.9% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Frequently asked questions

Is CVE-2024-34102 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2024-34102.

What does CVE-2024-34102 affect?

CVE-2024-34102 affects Adobe Commerce and Magento Open Source. Adobe Commerce versions 2.4.7, 2.4.6-p5, 2.4.5-p7, 2.4.4-p8 and earlier are affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could result in arbitrary code execution. An attacker could exploit this vulnerability by sending a crafted XML document that references external entities. Exploitation of this issue does not require user interaction.

How severe is CVE-2024-34102?

CVE-2024-34102 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 100%, higher than 99.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 7 August 2024.

How should organisations respond to CVE-2024-34102?

Apply the vendor patch for Adobe Commerce and Magento Open Source as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.