CVE-2020-21585
Vulnerability in emlog v6.0.0 allows user to upload webshells via zip plugin module.
Vulnerability in emlog v6.0.0 allows user to upload webshells via zip plugin module.
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
Vulnerability in emlog v6.0.0 allows user to upload webshells via zip plugin module.
- Record
CVE-2020-21585- 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 - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
Vulnerability in emlog v6.0.0 allows user to upload webshells via zip plugin module.
- Record
CVE-2020-21585- Updated
- 2026-11-02
EUVDEUVD-2020-14353 No score
Vulnerability in emlog v6.0.0 allows user to upload webshells via zip plugin module.
- Record
EUVD-2020-14353- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r3wp-g453-7cqm
Vulnerability in emlog v6.0.0 allows user to upload webshells via zip plugin module.
Vulnerability in emlog v6.0.0 allows user to upload webshells via zip plugin module.
- Record
GHSA-r3wp-g453-7cqm- 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 - Weakness
- CWE-434
- Updated
- 2026-11-02
OSV
Vulnerability in emlog v6.0.0 allows user to upload webshells via zip plugin module.
- Record
CVE-2020-21585- 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 - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-21585 is a critical vulnerability (CVSS 9.8) in Emlog, published April 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.18%, the 88th percentile. No source names a fixed version.