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01 Record

CVE-2021-21084

Adobe Experience Manager stored cross-site scripting vulnerability in resource resolver factory could lead to arbitrary code execution

HighPUBLISHEDCNA: adobe
CNA base score7.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

02 Description

Adobe Experience Manager stored cross-site scripting vulnerability in resource resolver factory could lead to arbitrary code execution

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.81% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 78.2% of scored records. A rank, not a probability.
NVD base score
6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-06-28 13:56Z5 YR AGO
Last updated
2024-09-17 03:02Z2 YR AGO
Reserved
2020-12-18
Assigning CNA
adobe
Record state
PUBLISHED
Severity
High (CVSS 7.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
Data version
5.1
Document digest
899cce4eb5ccefbcc9dc61e4c4c139346b720b87af3eca9bb9432de40bf3f709

05 Affected products

VendorProductVersionsPlatforms
AdobeExperience Manager<= 6.3.3.8, <= 6.4.8.3, <= 6.5.7.0, <= AEM Cloud Service—

06 References