How severe is CVE-2021-28627?

CVE-2021-28627 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2021-28627 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28627?

CVE-2021-28627 affects Adobe Experience Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28627?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-28627 published?

CVE-2021-28627 was published on 2021-08-24 and last updated on 2026-06-17.

CVE-2021-28627

CVE-2021-28627 is a medium-severity vulnerability in Adobe Experience Manager with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 6.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Adobe Experience Manager
Published: 2021-08-24
Last modified: 2026-06-17

Description

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 require user interaction.

Frequently asked questions

What is CVE-2021-28627?: 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 require user interaction.
How severe is CVE-2021-28627?: CVE-2021-28627 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2021-28627 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28627?: CVE-2021-28627 affects Adobe Experience Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28627?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-28627 published?: CVE-2021-28627 was published on 2021-08-24 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/experience-manager/apsb21-39.html

Affected products (1)

cpe:2.3:a:adobe:experience_manager:*:*:*:*:aem_cloud_service:*:*:*

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