Security readout for executives and security teams
Plain-English summary
This issue lets a malicious link abuse the Plexus anblick Digital Signage Management login page to send a user to an attacker-controlled website. That can support phishing or credential theft. The CVE is scored critical, but the public description identifies an open redirect, not direct system takeover.
Executive priority
Treat as priority if the product is deployed and reachable by users or the internet. The main business risk is phishing and trust abuse through a legitimate company system. If not deployed, no action is needed beyond confirmation.
Technical view
CVE-2020-36912 affects Plexus anblick Digital Signage Management 3.1.13. The PantallaLogin script improperly validates the pagina GET parameter, enabling arbitrary redirects. It is classified as CWE-601. The CVE record lists CVSS 3.1 score 9.8, though available descriptions only substantiate open redirect behavior.
Likely exposure
Exposure is limited to organizations running Plexus anblick Digital Signage Management 3.1.13. Risk increases if the login page is internet-accessible or reachable by users through email or intranet links. The sources do not provide deployment prevalence or default exposure details.
Exploitation context
Public third-party disclosure and a Packet Storm exploit entry exist. CISA KEV status is false in the provided data, and no cited source states active exploitation. Practical abuse likely depends on convincing users to follow crafted links.
Researcher notes
There is an impact mismatch: CVSS 9.8 suggests severe confidentiality, integrity, and availability impact, while public descriptions support CWE-601 open redirect. Validate real-world impact before escalating as full compromise. No patch is named in the provided sources.
Mitigation direction
- Identify any Plexus anblick Digital Signage Management 3.1.13 deployments.
- Check Plexus or official support channels for patched versions or vendor guidance.
- Restrict access to the login page where business allows.
- Validate redirect destinations with an allowlist of approved internal paths.
- Educate users not to trust unexpected login links.
Validation and detection
- Confirm whether version 3.1.13 is present in the environment.
- Review PantallaLogin handling of the pagina parameter.
- Verify redirects only allow approved relative or trusted destinations.
- Check web logs for unusual redirect patterns involving the login page.
- Document whether the login page is internet-facing or internal-only.
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-601: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookupCVE-2020-36912 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- Zero Science Lab Disclosure (ZSL-2020-5573)CVE reference · third-party-advisory
- Packet Storm Security Exploit EntryCVE reference · exploit
- IBM X-Force Vulnerability Exchange EntryCVE reference · vdb-entry
- Plexus Vendor HomepageCVE reference · product
- VulnCheck Advisory: Plexus anblick Digital Signage Management 3.1.13 Open Redirect via Pagina ParameterCVE reference · third-party-advisory
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.
URL Redirection to Untrusted Site ('Open Redirect')
URL Redirection to Untrusted Site ('Open Redirect') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.