Cyber Resilience

CVE-2021-28627

Medium

Published: 24 August 2021

Published
24 August 2021
Modified
19 September 2025
KEV Added
Patch
CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
EPSS Score 0.0043 62.9th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28627 is a medium-severity SSRF (CWE-918) vulnerability in Adobe Experience Manager. Its CVSS base score is 5.4 (Medium).

Operationally, ranked in the top 37.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Adobe Experience Manager Cloud Service offering, as well as versions 6.5.8.0 (and below) is affected by a Server-side Request Forgery. An authenticated attacker could leverage this vulnerability to contact systems blocked by the dispatcher. Exploitation of this issue does not…

more

require user interaction.

CWE(s)

Related Threats

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

Affected Assets

adobe
experience manager
≤ 6.5.8.0

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