CVE-2021-21009
HighCVSS 8.6Exploitation Probability (EPSS)
High risk87th percentile - higher than 87% of all known CVEs
Summary
Adobe Campaign Classic Gold Standard 10 (and earlier), 20.3.1 (and earlier), 20.2.3 (and earlier), 20.1.3 (and earlier), 19.2.3 (and earlier) and 19.1.7 (and earlier) are affected by a server-side request forgery (SSRF) vulnerability. Successful exploitation could allow an attacker to use the Campaign instance to issue unauthorized requests to internal or external resources.
Risk Assessment
An attacker could leverage the Campaign server to attack internal network resources, potentially leading to data exposure or further system compromise.
Recommendation
It is recommended to immediately update Adobe Campaign Classic to the latest available version that includes a fix for this vulnerability.
Other vulnerabilities in Adobe Campaign Classic
See all- CVE-2026-105781Critical
Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could execute arbitrary SQL commands, potentially gaining elevated access or control over the victim's account or session. Exploitation does not require user interaction, and scope is changed.
- CVE-2026-105780Critical
Adobe Campaign Classic (ACC) is affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation does not require user interaction, and scope is changed.
- CVE-2026-105779Critical
Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability that could result in a security feature bypass. A low-privileged attacker could leverage this vulnerability to bypass security measures and gain unauthorized read and limited write access. Exploitation does not require user interaction, and scope is changed.
- CVE-2026-105489Critical
Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation does not require user interaction, and scope is changed.
- CVE-2026-104354Critical
Adobe Campaign Classic is affected by an SQL Injection vulnerability due to improper neutralization of special elements in SQL commands. A high-privileged attacker could exploit it to execute arbitrary code in the context of the current user without user interaction.
- CVE-2026-104353Critical
Adobe Campaign Classic is affected by an OS Command Injection vulnerability due to improper neutralization of special elements in OS commands. A low-privileged attacker could execute arbitrary code in the context of the current user without user interaction.
- CVE-2026-104351Critical
Adobe Campaign Classic is affected by a Code Injection vulnerability due to improper control of code generation. A low-privileged attacker could execute arbitrary code in the context of the current user without user interaction.
- CVE-2026-104350Critical
Adobe Campaign Classic is affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session.
- CVE-2026-89276Critical
Adobe Campaign Classic (ACC) is affected by an Improper Control of Generation of Code ('Code Injection') vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation does not require user interaction. Scope is changed.
- CVE-2026-89275Critical
Adobe Campaign Classic (ACC) is affected by an Improper Control of Generation of Code ('Code Injection') vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation does not require user interaction. Scope is changed.
Original NVD description (English source)
Adobe Campaign Classic Gold Standard 10 (and earlier), 20.3.1 (and earlier), 20.2.3 (and earlier), 20.1.3 (and earlier), 19.2.3 (and earlier) and 19.1.7 (and earlier) are affected by a server-side request forgery (SSRF) vulnerability. Successful exploitation could allow an attacker to use the Campaign instance to issue unauthorized requests to internal or external resources.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

