CVE-2021-22809
CVE-2021-22809 is a medium-severity vulnerability in Schneider-electric Guicon with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Schneider-electric Guicon
- Published:
- Last modified:
Description
A CWE-125:Out-of-Bounds Read vulnerability exists that could cause unintended data disclosure when a malicious *.gd1 configuration file is loaded into the GUIcon tool. Affected Product: Eurotherm by Schneider Electric GUIcon Version 2.0 (Build 683.003) and prior
Frequently asked questions
- What is CVE-2021-22809?
- A CWE-125:Out-of-Bounds Read vulnerability exists that could cause unintended data disclosure when a malicious *.gd1 configuration file is loaded into the GUIcon tool. Affected Product: Eurotherm by Schneider Electric GUIcon Version 2.0 (Build 683.003) and prior
- How severe is CVE-2021-22809?
- CVE-2021-22809 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-22809 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-22809?
- CVE-2021-22809 affects Schneider-electric Guicon. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-22809?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-22809 published?
- CVE-2021-22809 was published on 2022-01-28 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:schneider-electric:guicon:*:*:*:*:*:*:*:*
More vulnerabilities in Schneider-electric Guicon
- CVE-2021-22808 — High (CVSS 7.8): A CWE-416: Use After Free vulnerability exists that could cause arbitrary code execution when a malicious *.gd1…
- CVE-2021-22807 — High (CVSS 7.8): A CWE-787: Out-of-bounds Write vulnerability exists that could cause arbitrary code execution when a malicious *.gd1…
- CVE-2018-7815 — High (CVSS 7.8): A Type Confusion (CWE-843) vulnerability exists in Eurotherm by Schneider Electric GUIcon V2.0 (Gold Build 683.0) on…
- CVE-2018-7814 — High (CVSS 7.8): A Stack-based Buffer Overflow (CWE-121) vulnerability exists in Eurotherm by Schneider Electric GUIcon V2.0 (Gold Build…
- CVE-2018-7813 — High (CVSS 7.8): A Type Confusion (CWE-843) vulnerability exists in Eurotherm by Schneider Electric GUIcon V2.0 (Gold Build 683.0) on…
All CVEs affecting Schneider-electric Guicon →
Other CWE-125 (Out-of-bounds Read) vulnerabilities
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