CVE-2021-21009
Medium
Elevated severity or exploit probability.
CVSS base
8.6
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS — probability of exploitation (30 days)
3.2%
87.6th percentile
CISA KEV
Not listed
Weakness / dates
CWE-918
Published 2021-01-13 · modified 2026-08-24
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | C | Changed |
| Confidentiality | H | High |
| Integrity | N | None |
| Availability | N | None |
Timeline
- 2021-01-13 — Published (NVD)
- 2026-08-24 — Last modified (NVD)
Description
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.