Security readout for executives and security teams
Plain-English summary
CVE-2020-36913 affects All-Dynamics enlogic:show Digital Signage System 2.0.2. An attacker may manipulate the session identifier used during login to bypass authentication and possibly trigger CSRF actions. Treat this as high priority where the product is reachable from untrusted networks, especially because a public exploit entry is referenced.
Executive priority
Prioritize remediation for exposed signage management systems. This flaw can undermine authentication and affect content integrity, which can create operational, reputational, or physical-site messaging risk. If systems are internal-only and tightly restricted, handle through the next urgent maintenance window.
Technical view
The issue is CWE-384 session fixation in enlogic:show 2.0.2 Build 2098. Sources describe setting a predefined PHP session identifier during login and using manipulated requests to welcome.php to bypass authentication. CVSS 4.0 is 8.5: network reachable, low complexity, no privileges, user interaction required, with high confidentiality and integrity impact.
Likely exposure
Exposure is limited to organizations running All-Dynamics Software enlogic:show Digital Signage System 2.0.2, specifically the listed Build 2098 variant. Risk increases if the web interface is internet-accessible or reachable by broad internal networks.
Exploitation context
The source bundle includes Packet Storm exploit entries and third-party advisories, so public exploit information exists. The CVE is not marked KEV, and the provided sources do not prove active exploitation in the wild.
Researcher notes
Evidence supports a session fixation authentication bypass in one specific enlogic:show version/build. Public exploit references exist, but provided sources do not establish active exploitation or a definitive vendor-fixed version. Avoid assuming other versions are affected without vendor confirmation.
Mitigation direction
- Identify any enlogic:show 2.0.2 Build 2098 installations.
- Review the vendor 2.0.3 changelog and support guidance for a confirmed fix.
- Upgrade if vendor guidance confirms 2.0.3 or later addresses this issue.
- Restrict access to the enlogic:show web interface to trusted networks.
- Place the interface behind VPN or equivalent access control where possible.
- Monitor for unusual session identifiers and unexpected welcome.php access patterns.
Validation and detection
- Confirm product name, version, and build on each digital signage server.
- Verify whether the web interface is exposed externally or broadly internally.
- Check vendor release notes for security fixes related to session handling.
- Review web logs for abnormal session reuse around login and welcome.php.
- Document compensating controls if no confirmed patch is available.
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-384: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-36913 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
- 8.5 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA: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:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.5HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- Zero Science Lab Disclosure (ZSL-2020-5577)CVE reference · third-party-advisory
- Vendor Changelog for Version 2.0.3CVE reference · product
- Packet Storm Security Exploit EntryCVE reference · exploit
- IBM X-Force Vulnerability Database EntryCVE reference · vdb-entry
- VulnCheck Advisory: All-Dynamics Software enlogic:show 2.0.2 Session Fixation Authentication BypassCVE reference · third-party-advisory
- https://packetstorm.news/files/id/158703CVE reference · exploit
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.
Session Fixation
Session Fixation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.