CVE-2020-28217
Description
A CWE-311: Missing Encryption of Sensitive Data vulnerability exists in Easergy T300 (firmware 2.7 and older), that would allow an attacker to read network traffic over HTTP protocol.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Missing encryption of sensitive data in Schneider Electric Easergy T300 firmware versions 2.7 and older allows attackers to read HTTP network traffic.
Vulnerability
A missing encryption of sensitive data vulnerability (CWE-311) exists in Schneider Electric Easergy T300 products running firmware versions 2.7 and prior. The product transmits network traffic over the HTTP protocol without encryption, exposing sensitive data to anyone able to capture the traffic [1].
Exploitation
An attacker with network access to the device can capture HTTP traffic sent or received by the Easergy T300. No authentication or user interaction is required, and the attack can be performed remotely [1].
Impact
Successful exploitation allows the attacker to read sensitive information transmitted over the HTTP protocol, such as credentials or configuration data, potentially leading to further compromise of the device or network [1].
Mitigation
Schneider Electric advises updating to the latest available firmware version. As of the CISA advisory (December 2020), specific fixed versions were not disclosed [1].
AI Insight generated on May 26, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2- Easergy T300/Easergy T300description
- Range: <= 2.7
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- us-cert.cisa.gov/ics/advisories/icsa-20-343-03mitrex_refsource_MISC
- www.se.com/ww/en/download/document/SEVD-2020-315-06/mitrex_refsource_CONFIRM
News mentions
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