Security readout for executives and security teams
This vulnerability affects Schneider Electric PowerLogic EGX100 and EGX300 gateways. A specially crafted HTTP packet could make the device unavailable or potentially allow remote code execution. The public bundle does not provide CVSS scoring, patch details, or confirmed exploitation, so urgency should be based on whether these devices are reachable from untrusted networks. Exposure is likely where PowerLogic EGX100 or EGX300 devices are deployed and their HTTP service is reachable by users, vendors, or networks that are not tightly trusted. Internet-facing or flat operational networks would raise concern. The bundle does not identify CPEs or provide discovery indicators. Prioritize assessment if these gateways support critical power monitoring or are reachable beyond tightly controlled operational networks. The possible impact includes outage and remote code execution, but public evidence is incomplete on severity scoring, fixes, and exploitation. Mitigation focus: Review Schneider advisory SEVD-2021-159-03 for current vendor remediation guidance.; Inventory EGX100 and EGX300 devices and record firmware versions.; Prioritize devices whose HTTP interface is reachable from untrusted networks..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-20: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-22768 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.