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TI-2020-11355 Aliases CVE-2020-14504GHSA-grjq-m66f-rp7p

Improper access control in Rockwell 1734-AENTR

Priority LOW 33CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.

Summary

The web interface of the 1734-AENTR communication module mishandles authentication for HTTP POST requests. A remote, unauthenticated attacker can send a crafted request that may allow for modification of the configuration settings.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01266 69th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Rockwell1734-AENTRSeries B 4.001 to 4.005, and 5.011 to 5.017; Series C 6.011 and 6.012—No fix listedCNA
  • 1734-AENTR VendorRockwell Affected Series B 4.001 to 4.005, and 5.011 to 5.017; Series C 6.011 and 6.012 Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_b_firmware:*:*:*:*:*:*:*:*4.001 – 4.005; 5.011 – 5.017VulnerableRockwell
cpe:2.3:h:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_b:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
cpe:2.3:o:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_c_firmware:6.011:*:*:*:*:*:*:*6.011VulnerableRockwell
cpe:2.3:o:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_c_firmware:6.012:*:*:*:*:*:*:*6.012VulnerableRockwell
cpe:2.3:h:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_c:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
  • cpe:2.3:o:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_b_firmware:*:*:*:*:*:*:*:* Versions 4.001 – 4.005; 5.011 – 5.017 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell
  • cpe:2.3:o:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_c_firmware:6.011:*:*:*:*:*:*:* Versions 6.011 Vulnerable ·Rockwell
  • cpe:2.3:o:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_c_firmware:6.012:*:*:*:*:*:*:* Versions 6.012 Vulnerable ·Rockwell
  • cpe:2.3:h:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-14504
  2. 2026-10-03 Alias added: GHSA-grjq-m66f-rp7p

References

  • TI-2020-11353 Cross-site scripting in Rockwell 1734-AENTR CVSS 3.1MEDIUM 6.1

Sources