How severe is CVE-2022-22805?

CVE-2022-22805 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-22805 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22805?

CVE-2022-22805 primarily affects Schneider-electric Smt Series 1015 Ups Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-22805?

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

When was CVE-2022-22805 published?

CVE-2022-22805 was published on 2022-03-09 and last updated on 2026-06-17.

CVE-2022-22805

CVE-2022-22805 is a critical-severity vulnerability in Schneider-electric Smt Series 1015 Ups Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Schneider-electric Smt Series 1015 Ups Firmware
Published: 2022-03-09
Last modified: 2026-06-17

Description

A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability exists that could cause remote code execution when an improperly handled TLS packet is reassembled. Affected Product: SmartConnect Family: SMT Series (SMT Series ID=1015: UPS 04.5 and prior), SMC Series (SMC Series ID=1018: UPS 04.2 and prior), SMTL Series (SMTL Series ID=1026: UPS 02.9 and prior), SCL Series (SCL Series ID=1029: UPS 02.5 and prior / SCL Series ID=1030: UPS 02.5 and prior / SCL Series ID=1036: UPS 02.5 and prior / SCL Series ID=1037: UPS 03.1 and prior), SMX Series (SMX Series ID=1031: UPS 03.1 and prior)

Frequently asked questions

What is CVE-2022-22805?: A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability exists that could cause remote code execution when an improperly handled TLS packet is reassembled. Affected Product: SmartConnect Family: SMT Series (SMT Series ID=1015: UPS 04.5 and prior), SMC Series (SMC Series ID=1018: UPS 04.2 and prior), SMTL Series (SMTL Series ID=1026: UPS 02.9 and prior), SCL Series (SCL Series ID=1029: UPS 02.5 and prior / SCL Series ID=1030: UPS 02.5 and prior / SCL Series ID=1036: UPS 02.5 and prior / SCL Series ID=1037: UPS 03.1 and prior), SMX Series (SMX Series ID=1031: UPS 03.1 and prior)
How severe is CVE-2022-22805?: CVE-2022-22805 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-22805 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22805?: CVE-2022-22805 primarily affects Schneider-electric Smt Series 1015 Ups Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-22805?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-22805 published?: CVE-2022-22805 was published on 2022-03-09 and last updated on 2026-06-17.

References

https://www.se.com/ww/en/download/document/SEVD-2022-067-02/

Affected products (8)

cpe:2.3:o:schneider-electric:smt_series_1015_ups_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:smc_series_1018_ups_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:smtl_series_1026_ups_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:scl_series_1029_ups_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:scl_series_1030_ups_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:scl_series_1036_ups_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:scl_series_1037_ups_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:smx_series_1031_ups_firmware:*:*:*:*:*:*:*:*

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