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CVE-2021-21084

MEDIUMCVSS 6.1/10EPSS 1.82%

Last modified

CVE-2021-21084 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. AEM's Cloud Service offering, as well as versions 6.5.7.0 (and below), 6.4.8.3 (and below) and 6.3.3.8 (and below) are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.. EPSS estimates a 1.82% chance of exploitation in the next 30 days.

Description

AEM's Cloud Service offering, as well as versions 6.5.7.0 (and below), 6.4.8.3 (and below) and 6.3.3.8 (and below) are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.

Metrics

CVSS 3.1
6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
1.82%

75.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AdobeExperience Manager<= 6.3.3.8
AdobeExperience Manager>= 6.4.0.0, < 6.4.8.4
AdobeExperience Manager>= 6.5.0.0, < 6.5.8.0
AdobeExperience Manager Cloud ServiceAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21084?
AEM's Cloud Service offering, as well as versions 6.5.7.0 (and below), 6.4.8.3 (and below) and 6.3.3.8 (and below) are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.
How severe is CVE-2021-21084?
CVE-2021-21084 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.82% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21084?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21084?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST