CVE-2021-27983
Remote Code Execution (RCE) vulnerability exists in MaxSite CMS v107.5 via the Documents page.
Remote Code Execution (RCE) vulnerability exists in MaxSite CMS v107.5 via the Documents page.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Remote Code Execution (RCE) vulnerability exists in MaxSite CMS v107.5 via the Documents page.
- Record
CVE-2021-27983- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Remote Code Execution (RCE) vulnerability exists in MaxSite CMS v107.5 via the Documents page.
- Record
CVE-2021-27983- Updated
- 2026-11-02
EUVDEUVD-2021-14701 No score
Remote Code Execution (RCE) vulnerability exists in MaxSite CMS v107.5 via the Documents page.
- Record
EUVD-2021-14701- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m6q6-5v8h-vp6v No score
Remote Code Execution (RCE) vulnerability exists in MaxSite CMS v107.5 via the Documents page.
Remote Code Execution (RCE) vulnerability exists in MaxSite CMS v107.5 via the Documents page.
- Record
GHSA-m6q6-5v8h-vp6v- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27983 is a critical vulnerability (CVSS 9.8) in Max-3000 Maxsite Cms, published December 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.58%, the 89th percentile. No source names a fixed version.