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CVE Record

CVE-2020-13886: Intelbras TIP 200 60.61.75.15, TIP 200 LITE 60.61.75.15, and TIP 300 65.61.75.22 devices allow cgi-bin/cgiS...

Intelbras TIP 200 60.61.75.15, TIP 200 LITE 60.61.75.15, and TIP 300 65.61.75.22 devices allow cgi-bin/cgiServer.exx?page=../ Directory Traversal.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-13886 is a directory traversal issue in specific Intelbras VoIP phones. If an attacker can reach the affected CGI interface, they may be able to read files outside the intended web directory. Business risk depends mainly on whether these phones are still deployed and reachable from untrusted networks.

Executive priority

Treat this as a targeted infrastructure hygiene issue. Prioritize quickly if affected VoIP devices are internet-facing or reachable by many internal users. If devices are isolated and managed, urgency is lower but still requires inventory confirmation and vendor guidance review.

Technical view

The CVE describes directory traversal in the page parameter of cgi-bin/cgiServer.exx on Intelbras TIP 200 60.61.75.15, TIP 200 LITE 60.61.75.15, and TIP 300 65.61.75.22. Public references include researcher material, but the provided sources do not include CVSS, CWE, authentication requirements, or vendor remediation details.

Likely exposure

Likely exposure is limited to organizations using the named Intelbras TIP models and firmware versions where the device CGI web interface is reachable. Internet-exposed management interfaces would materially raise urgency. The provided CVE data does not identify broader product families or versions.

Exploitation context

The CVE is not listed as CISA KEV in the provided bundle. Public researcher references exist, including GitHub, Medium, and YouTube links, indicating public technical discussion. The supplied evidence does not prove active exploitation in the wild.

Researcher notes

Key gaps are severity scoring, authentication requirements, exact readable file impact, and vendor fix status. Do not assume all Intelbras VoIP devices are affected. Validate only against the three model and firmware combinations named in the CVE description.

Mitigation direction

  • Inventory Intelbras TIP 200, TIP 200 LITE, and TIP 300 deployments.
  • Check Intelbras support or advisories for fixed firmware or replacement guidance.
  • Restrict web administration access to trusted management networks only.
  • Remove affected device interfaces from internet exposure.
  • Monitor device access logs for unusual file-read or traversal patterns.

Validation and detection

  • Confirm deployed model and firmware match the CVE description.
  • Identify whether the CGI web interface is reachable from untrusted networks.
  • Review firewall, VPN, and management VLAN controls around VoIP devices.
  • Check vulnerability management records for public exposure of affected devices.
  • Document whether vendor-fixed firmware or compensating controls are applied.
Prepared
Confidence
medium
Sources
5

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.

description · low confidence lookup

File 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.

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CVE-2020-13886 mapping review

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

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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