Security readout for executives and security teams
Plain-English summary
CVE-2020-19028 is a high-severity file upload issue reported in EmlogCMS 6.0.0. The record says a remote attacker could access sensitive information through /admin/plugin.php. The public metadata is sparse, so exposure should be confirmed against actual Emlog installations before escalation beyond high priority.
Executive priority
Treat this as high priority for any internet-facing EmlogCMS 6.0.0 deployment. The likely business impact is exposure of sensitive information, but current public evidence is incomplete and does not support claims of active exploitation.
Technical view
The CVE describes CWE-434 in EmlogCMS 6.0.0, associated with /admin/plugin.php. CVSS 3.1 is 7.5 with network access, low complexity, no privileges, no user interaction, and high confidentiality impact only. The affected CPE data is not populated in the source bundle.
Likely exposure
Organizations are most likely exposed if they run EmlogCMS 6.0.0 and expose the admin/plugin.php functionality to untrusted networks. The affected vendor/product fields are listed as n/a, so asset validation must rely on installed application evidence, not CPE matching alone.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. A public GitHub issue is referenced, but the provided bundle does not include enough detail to confirm real-world exploitation, exploit maturity, or fixed versions.
Researcher notes
NVD-style metadata indicates PR:N and confidentiality-only impact, but the affected product fields are incomplete. Focus validation on observed EmlogCMS 6.0.0 installations and exposure of /admin/plugin.php. Do not assume other Emlog versions are affected without vendor or CVE evidence.
Mitigation direction
- Inventory EmlogCMS deployments and identify any version 6.0.0 instances.
- Restrict /admin/plugin.php access to trusted networks and authorized administrators.
- Check the Emlog repository and vendor guidance for fixed versions or advisories.
- Disable plugin upload functionality if it is not operationally required.
- Review uploaded files and plugin directories for unexpected content.
Validation and detection
- Confirm the exact EmlogCMS version running on each affected host.
- Verify whether /admin/plugin.php is reachable from untrusted networks.
- Review web server logs for unusual plugin or upload requests.
- Inspect plugin and upload directories for unauthorized files.
- Track CVE and vendor references for remediation updates.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-19028 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/emlog/emlogCVE reference
- https://github.com/sincere-c/CVE/issues/1CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.