Server-side request forgery (SSRF) in Campaign Classic could lead to sensitive information disclosure
Priority MEDIUM 49CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03051 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Adobe | Campaign | up to 20.3.1 and earlier; up to Gold Standard 10 and earlier; up to 20.2.3 and earlier; up to 20.1.3 and earlier; up to 19.2.3 and earlier; up to 19.1.7 and earlier | — | No fix listed | CNA |
- Campaign VendorAdobe Affected up to 20.3.1 and earlier; up to Gold Standard 10 and earlier; up to 20.2.3 and earlier; up to 20.1.3 and earlier; up to 19.2.3 and earlier; up to 19.1.7 and earlier Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:adobe:campaign:*:*:*:*:standard:*:*:* | before 19.1.8; 19.2 to before 19.2.4; 20.1 to before 20.1.4; 20.2 to before 20.2.4; 20.3 to before 20.3.3 | Vulnerable | Adobe |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:adobe:campaign:*:*:*:*:standard:*:*:* Versions before 19.1.8; 19.2 to before 19.2.4; 20.1 to before 20.1.4; 20.2 to before 20.2.4; 20.3 to before 20.3.3 Vulnerable ·Adobe
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21009
- 2026-10-03 Alias added: GHSA-63w7-2rqx-q97m
References
More Adobe Campaign vulnerabilities
- TI-2026-53303 OS command injection in Adobe Campaign Classic CVSS 3.1CRITICAL 10.0
- TI-2026-53301 OS command injection in Adobe Campaign Classic CVSS 3.1CRITICAL 10.0
- TI-2026-35729 Adobe Campaign Classic (ACC) | Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336) CVSS 3.1CRITICAL 10.0
- TI-2026-60444 Adobe Campaign Classic (ACC) | Improper Control of Generation of Code ('Code Injection') (CWE-94) CVSS 3.1CRITICAL 10.0
- TI-2026-58015 Adobe Campaign Classic (ACC) | Improper Control of Generation of Code ('Code Injection') (CWE-94) CVSS 3.1CRITICAL 10.0
- TI-2026-53299 Adobe Campaign Classic (ACC) | Server-Side Request Forgery (SSRF) (CWE-918) CVSS 3.1CRITICAL 10.0
Sources
- CVE-2021-21009 · CVE Program
- CVE-2021-21009 · NVD
- FIRST EPSS
- GHSA-63w7-2rqx-q97m · GitHub Advisory Database · CC BY 4.0
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