How severe is CVE-2021-22703?

CVE-2021-22703 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-22703 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22703?

CVE-2021-22703 primarily affects Schneider-electric Powerlogic Ion7400 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22703?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-22703 published?

CVE-2021-22703 was published on 2021-02-19 and last updated on 2026-06-17.

CVE-2021-22703

CVE-2021-22703 is a high-severity vulnerability in Schneider-electric Powerlogic Ion7400 Firmware with a CVSS 3.x base score of 7.5. 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-319.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Schneider-electric Powerlogic Ion7400 Firmware
Published: 2021-02-19
Last modified: 2026-06-17

Description

A CWE-319: Cleartext transmission of sensitive information vulnerability exists in PowerLogic ION7400, ION7650, ION83xx/84xx/85xx/8600, ION8650, ION8800, ION9000 and PM800 (see notification for affected versions), that could cause disclosure of user credentials when a malicious actor intercepts HTTP network traffic between a user and the device.

Frequently asked questions

What is CVE-2021-22703?: A CWE-319: Cleartext transmission of sensitive information vulnerability exists in PowerLogic ION7400, ION7650, ION83xx/84xx/85xx/8600, ION8650, ION8800, ION9000 and PM800 (see notification for affected versions), that could cause disclosure of user credentials when a malicious actor intercepts HTTP network traffic between a user and the device.
How severe is CVE-2021-22703?: CVE-2021-22703 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-22703 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22703?: CVE-2021-22703 primarily affects Schneider-electric Powerlogic Ion7400 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22703?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-22703 published?: CVE-2021-22703 was published on 2021-02-19 and last updated on 2026-06-17.

References

https://www.se.com/ww/en/download/document/SEVD-2021-040-01/

Affected products (10)

cpe:2.3:o:schneider-electric:powerlogic_ion7400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:powerlogic_ion7650_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:powerlogic_ion8600_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:powerlogic_ion8650_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:powerlogic_ion8800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:powerlogic_ion9000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:powerlogic_pm8000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:powerlogic_ion8300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:powerlogic_ion8400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:powerlogic_ion8500_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Schneider-electric Powerlogic Ion7400 Firmware

CVE-2021-22714 — Critical (CVSS 9.8): A CWE-119:Improper restriction of operations within the bounds of a memory buffer vulnerability exists in PowerLogic…
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CVE-2021-22702 — High (CVSS 7.5): A CWE-319: Cleartext transmission of sensitive information vulnerability exists in PowerLogic ION7400, ION7650,…
CVE-2021-22701 — Medium (CVSS 4.5): A CWE-352: Cross-Site Request Forgery vulnerability exists in PowerLogic ION7400, ION7650, ION83xx/84xx/85xx/8600,…

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