LiveActive security incident?Get immediate response
CVE Record

CVE-2020-27553: In BASETech GE-131 BT-1837836 firmware 20180921, the web-server on the system is configured with the option...

In BASETech GE-131 BT-1837836 firmware 20180921, the web-server on the system is configured with the option “DocumentRoot /etc“. This allows an attacker with network access to the web-server to download any files from the “/etc” folder without authentication. No path traversal sequences are needed to exploit this vulnerability.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This vulnerability can let anyone with network access to the affected BASETech camera web server download sensitive system files without logging in. The issue is a web server configuration mistake, not a complex exploit. Business impact depends on whether these devices are reachable from untrusted networks and what secrets are stored under /etc.

Executive priority

Prioritize if these cameras are reachable from the internet or shared networks. The issue can expose configuration and credential-related files, which may enable broader compromise. If devices are isolated, treat as a controlled remediation item.

Technical view

CVE-2020-27553 describes BASETech GE-131 BT-1837836 firmware 20180921 configuring the embedded web server with DocumentRoot set to /etc. Because that directory is served directly and no authentication is required, a network-adjacent or remotely connected attacker can retrieve files from /etc without path traversal.

Likely exposure

Exposure is likely limited to BASETech GE-131 / BT-1837836 devices running firmware 20180921 with the web server reachable. The CVE affected-product metadata is incomplete, so asset confirmation is required before estimating fleet impact.

Exploitation context

The source states no authentication and no path traversal are required. There is no KEV listing in the provided bundle and no cited evidence of active exploitation. Network reachability is the key practical condition.

Researcher notes

The public record is sparse: no CVSS, CWE, complete CPE, or vendor advisory is included in the bundle. The strongest technical evidence is the independent device analysis and CVE description. Avoid assuming affected firmware beyond 20180921 without confirmation.

Mitigation direction

  • Identify affected BASETech GE-131 / BT-1837836 devices and firmware versions.
  • Restrict web server access to trusted management networks only.
  • Disable external exposure through firewall, VPN, or network segmentation.
  • Check vendor guidance for firmware updates or configuration remediation.
  • Replace or retire devices if no supported fix is available.

Validation and detection

  • Inventory camera models and firmware against the CVE description.
  • Review web server configuration for DocumentRoot pointing to /etc.
  • Confirm management interfaces are not internet-accessible.
  • Review access logs for unauthenticated requests to sensitive system paths.
  • Document compensating controls for any device awaiting vendor remediation.
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.

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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2020-27553 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
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
2Source 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.