CVE-2021-21085
Adobe Connect CSV injection via export feature could lead to code execution
Adobe Connect version 11.0.7 (and earlier) is affected by an Input Validation vulnerability in the export feature. An attacker could exploit this vulnerability by injecting a payload into an online event form and achieve code execution if the victim exports and opens the data on their local machine.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Adobe Connect CSV injection via export feature could lead to code execution
Adobe Connect version 11.0.7 (and earlier) is affected by an Input Validation vulnerability in the export feature. An attacker could exploit this vulnerability by injecting a payload into an online event form and achieve code execution if the victim exports and opens the data on their local machine.
- Record
CVE-2021-21085- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2021-8476
Adobe Connect version 11.0.7 (and earlier) is affected by an Input Validation vulnerability in the export feature. An attacker could exploit this vulnerability by injecting a payload into an online event form and achieve code execution if the victim exports and opens the data on their local machine.
- Record
EUVD-2021-8476- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qc96-38mv-g6cc No score
Adobe Connect version 11.0.7 (and earlier) is affected by an Input Validation vulnerability in...
Adobe Connect version 11.0.7 (and earlier) is affected by an Input Validation vulnerability in the export feature. An attacker could exploit this vulnerability by injecting a payload into the registration form and achieve arbitrary code execution in the context of the admin account.
- Record
GHSA-qc96-38mv-g6cc- Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Adobe Connect version 11.0.7 (and earlier) is affected by an Input Validation vulnerability in the export feature. An attacker could exploit this vulnerability by injecting a payload into an online event form and achieve code execution if the victim exports and opens the data on their local machine.
- Record
CVE-2021-21085- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21085 is a high vulnerability (CVSS 7.8) in Adobe Connect, published March 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.87%, the 90th percentile. No source names a fixed version.