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CVE Record

CVE-2017-20114: TrueConf Server Reflected cross site scripting

A vulnerability has been found in TrueConf Server 4.3.7 and classified as problematic. This vulnerability affects unknown code of the file /admin/conferences/get-all-status/. The manipulation of the argument keys[] leads to basic cross site scripting (Reflected). The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

LowCVSS 3.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

TrueConf Server 4.3.7 has a reflected cross-site scripting issue in an admin conference status endpoint. An authenticated attacker would need a user to interact with a crafted request, making business impact limited but still relevant for admin consoles.

Executive priority

Treat as a low-priority remediation unless the TrueConf admin console is broadly exposed. Address during routine patching, but tighten administrative access promptly if exposed externally.

Technical view

CVE-2017-20114 is a CWE-80 reflected XSS in /admin/conferences/get-all-status/ via the keys[] argument. CVSS 3.1 is 3.5: network reachable, low complexity, low privileges required, user interaction required, integrity impact only.

Likely exposure

Exposure appears limited to organizations running TrueConf Server 4.3.7, especially where the administrative interface is reachable by many internal users or over untrusted networks.

Exploitation context

The source bundle says exploit details were publicly disclosed and may be used. CISA KEV is false, and no provided source confirms active exploitation in the wild.

Researcher notes

Evidence supports a reflected XSS in one TrueConf Server version, with public exploit disclosure. The bundle does not name a fixed version, patch, or active exploitation. Avoid broad product assumptions beyond TrueConf Server 4.3.7.

Mitigation direction

  • Identify any TrueConf Server 4.3.7 deployments.
  • Check TrueConf guidance or support for fixed versions or vendor-recommended mitigations.
  • Restrict admin interface access to trusted networks, VPN, or allowlisted administrators.
  • Reduce unnecessary administrative privileges where possible.
  • Monitor for unusual requests to the affected admin endpoint.

Validation and detection

  • Confirm product name and version from asset inventory or server administration records.
  • Verify whether /admin/conferences/get-all-status/ is reachable from untrusted networks.
  • Review access logs for unusual keys[] requests to the affected endpoint.
  • Use non-destructive authenticated testing in staging to validate whether reflected input is encoded.
Prepared
Confidence
medium
Sources
4

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-80: 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-2017-20114 mapping review

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Vulnerability profileCVE Program record
Severity
Low
CVSS
3.5 (3.1)
Known Exploited
No
Published

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

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
3Source 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
3.5CVSS 3.1LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N2.11.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

3.5Low
CVSS 3.1 vector shape for CVE-2017-20114Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
TrueConfServer4.3.7Listed
Weakness

CWE details

CWE-80

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

CWE-80 · source CWE mapping

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs