How severe is CVE-2022-31499?

CVE-2022-31499 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-2022-31499 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 65% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31499?

CVE-2022-31499 affects Nortekcontrol Emerge E3 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-31499?

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-2022-31499 published?

CVE-2022-31499 was published on 2022-08-25 and last updated on 2026-06-17.

CVE-2022-31499

CVE-2022-31499 is a critical-severity vulnerability in Nortekcontrol Emerge E3 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 65% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 65% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Nortekcontrol Emerge E3 Firmware
Published: 2022-08-25
Last modified: 2026-06-17

Description

Nortek Linear eMerge E3-Series devices before 0.32-08f allow an unauthenticated attacker to inject OS commands via ReaderNo. NOTE: this issue exists because of an incomplete fix for CVE-2019-7256.

Frequently asked questions

What is CVE-2022-31499?: Nortek Linear eMerge E3-Series devices before 0.32-08f allow an unauthenticated attacker to inject OS commands via ReaderNo. NOTE: this issue exists because of an incomplete fix for CVE-2019-7256.
How severe is CVE-2022-31499?: CVE-2022-31499 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-2022-31499 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 65% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31499?: CVE-2022-31499 affects Nortekcontrol Emerge E3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-31499?: 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-2022-31499 published?: CVE-2022-31499 was published on 2022-08-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:nortekcontrol:emerge_e3_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Nortekcontrol Emerge E3 Firmware

CVE-2018-5439 — Critical (CVSS 9.8): A Command Injection issue was discovered in Nortek Linear eMerge E3 series Versions V0.32-07e and prior. A remote…
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CVE-2022-31798 — Medium (CVSS 6.1): Nortek Linear eMerge E3-Series 0.32-07p devices are vulnerable to /card_scan.php?CardFormatNo= XSS with session…

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