CVE-2021-21079

Adobe Connect Reflected Cross-site Scripting via archiveOffset parameter

Description

Adobe Connect version 11.0.7 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious JavaScript content that may be executed within the context of the victim's browser when they browse to the page containing the vulnerable field.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.67% Top 30%
Vendor Advisory adobe.com
Affected: Adobe Connect
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-21079?
CVE-2021-21079 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21079?
To fix CVE-2021-21079, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21079 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-21079 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21079?
CVE-2021-21079 affects Adobe Connect.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.