---
id: CVE-2021-21009
title: >-
  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
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. Su…
severity: high
cvss: 8.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'
cwe:
  - CWE-918
vendor: adobe
product: campaign
affected:
  - campaign < 19.1.8
  - 'campaign >= 19.2, < 19.2.4'
  - 'campaign >= 20.1, < 20.1.4'
  - 'campaign >= 20.2, < 20.2.4'
  - 'campaign >= 20.3, < 20.3.3'
patched:
  - campaign 20.3.3
published: '2021-01-13'
updated: '2026-08-24'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-21009'
references:
  - url: 'https://helpx.adobe.com/security/products/campaign/apsb21-04.html'
    label: psirt@adobe.com
  - url: 'https://helpx.adobe.com/security/products/campaign/apsb21-04.html'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.0299
epssPercentile: 0.8678
ingestedAt: '2026-08-24T18:09:08.423Z'
---

## Overview

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.

## Affected

- `campaign < 19.1.8`
- `campaign >= 19.2, < 19.2.4`
- `campaign >= 20.1, < 20.1.4`
- `campaign >= 20.2, < 20.2.4`
- `campaign >= 20.3, < 20.3.3`

## Remediation

Upgrade past the affected range:

- `campaign 20.3.3`