Cyber Resilience

CVE-2021-21009

High

Published: 13 January 2021

Published
13 January 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS Score 0.0083 75.0th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-21009 is a high-severity SSRF (CWE-918) vulnerability in Adobe Campaign Classic. Its CVSS base score is 8.6 (High).

Operationally, ranked in the top 25.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

use the Campaign instance to issue unauthorized requests to internal or external resources.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

adobe
campaign classic
≤ 10 · ≤ 19.1.7 · 19.2 — 19.2.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-918

Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.

addresses: CWE-918

Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.

addresses: CWE-918

Validates server-side URLs and resource references to block SSRF attempts.

addresses: CWE-918

Detects server-side request forgery through monitoring of unexpected outbound connections.

References