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CVE Record

CVE-2020-29028: Reflected XSS issues

Cross-site Scripting (XSS) vulnerability in web GUI of Secomea GateManager allows an attacker to inject arbitrary javascript code. This issue affects: Secomea GateManager all versions prior to 9.4.

MediumCVSS 6.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Secomea GateManager web GUI versions before 9.4 have a reflected cross-site scripting issue. An attacker could get JavaScript to run in a user’s browser if that user interacts with malicious content. The CVE rates this medium, but GateManager can be operationally sensitive, so exposed deployments should be prioritized for update.

Executive priority

Treat as a moderate-priority remediation item. Prioritize faster if GateManager is internet-accessible, widely used by administrators, or supports critical remote access operations.

Technical view

CVE-2020-29028 is CWE-79 reflected XSS in Secomea GateManager before 9.4. CVSS 3.1 is 6.3: network reachable, low complexity, no privileges required, user interaction required, unchanged scope, and low confidentiality, integrity, and availability impact.

Likely exposure

Organizations running Secomea GateManager versions earlier than 9.4 are potentially exposed, especially where the web GUI is reachable by administrators or remote users.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation evidence. Exploitation requires user interaction and targets the web GUI browser context, not direct unauthenticated system takeover.

Researcher notes

Evidence is limited to the CVE record and Secomea advisory reference. Do not assume broader Secomea products are affected. No public exploitation status or detailed vendor workaround is included in the supplied bundle.

Mitigation direction

  • Identify all Secomea GateManager deployments and exposed web GUI endpoints.
  • Upgrade affected GateManager instances to version 9.4 or later.
  • Review Secomea’s cybersecurity advisory for product-specific guidance.
  • Restrict web GUI access to trusted networks and users where feasible.
  • Monitor for suspicious administrative browser activity and unexpected session behavior.

Validation and detection

  • Confirm installed GateManager versions against the affected range: before 9.4.
  • Check whether the web GUI is reachable from untrusted networks.
  • Verify upgrade completion and record the fixed version.
  • Review access logs for unusual requests around administrator sessions.
  • Confirm compensating access controls are documented if upgrade is delayed.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

CWE-79: 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 lookup
cve · low confidence lookup

CVE-2020-29028 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
6.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L2.83.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.3Medium
CVSS 3.1 vector shape for CVE-2020-29028Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SecomeaGateManagerallListed
Weakness

CWE details

CWE-79

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-79 · source CWE mapping

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs