How severe is CVE-2022-2179?

CVE-2022-2179 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-2179 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2179?

CVE-2022-2179 primarily affects Rockwellautomation Micrologix 1100 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-2179?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-2179 published?

CVE-2022-2179 was published on 2022-07-20 and last updated on 2026-06-17.

CVE-2022-2179

CVE-2022-2179 is a medium-severity vulnerability in Rockwellautomation Micrologix 1100 Firmware with a CVSS 3.x base score of 6.5. 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-1021.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1021
Affected product: Rockwellautomation Micrologix 1100 Firmware
Published: 2022-07-20
Last modified: 2026-06-17

Description

The X-Frame-Options header in Rockwell Automation MicroLogix 1100/1400 Versions 21.007 and prior is not configured in the HTTP response, which could allow clickjacking attacks.

Frequently asked questions

What is CVE-2022-2179?: The X-Frame-Options header in Rockwell Automation MicroLogix 1100/1400 Versions 21.007 and prior is not configured in the HTTP response, which could allow clickjacking attacks.
How severe is CVE-2022-2179?: CVE-2022-2179 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-2179 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2179?: CVE-2022-2179 primarily affects Rockwellautomation Micrologix 1100 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-2179?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-2179 published?: CVE-2022-2179 was published on 2022-07-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:rockwellautomation:micrologix_1100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:micrologix_1400_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Rockwellautomation Micrologix 1100 Firmware

CVE-2020-6990 — Critical (CVSS 9.8): Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100…
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CVE-2021-33012 — High (CVSS 8.6): Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted…
CVE-2022-3166 — High (CVSS 7.5): Rockwell Automation was made aware that the webservers of the Micrologix 1100 and 1400 controllers contain a…
CVE-2020-6988 — High (CVSS 7.5): Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100…
CVE-2020-6984 — High (CVSS 7.5): Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100…

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