How severe is CVE-2016-5645?

CVE-2016-5645 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2016-5645 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5645?

CVE-2016-5645 primarily affects Rockwellautomation 1766-l32awa. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-5645?

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-2016-5645 published?

CVE-2016-5645 was published on 2016-08-24 and last updated on 2026-06-17.

CVE-2016-5645

CVE-2016-5645 is a high-severity vulnerability in Rockwellautomation 1766-l32awa with a CVSS 3.x base score of 7.3. Its EPSS exploit-prediction score of 30% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-284.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 30% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Rockwellautomation 1766-l32awa
Published: 2016-08-24
Last modified: 2026-06-17

Description

Rockwell Automation MicroLogix 1400 PLC 1766-L32BWA, 1766-L32AWA, 1766-L32BXB, 1766-L32BWAA, 1766-L32AWAA, and 1766-L32BXBA devices have a hardcoded SNMP community, which makes it easier for remote attackers to load arbitrary firmware updates by leveraging knowledge of this community.

Frequently asked questions

What is CVE-2016-5645?: Rockwell Automation MicroLogix 1400 PLC 1766-L32BWA, 1766-L32AWA, 1766-L32BXB, 1766-L32BWAA, 1766-L32AWAA, and 1766-L32BXBA devices have a hardcoded SNMP community, which makes it easier for remote attackers to load arbitrary firmware updates by leveraging knowledge of this community.
How severe is CVE-2016-5645?: CVE-2016-5645 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2016-5645 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5645?: CVE-2016-5645 primarily affects Rockwellautomation 1766-l32awa. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-5645?: 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-2016-5645 published?: CVE-2016-5645 was published on 2016-08-24 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:h:rockwellautomation:1766-l32awa:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1766-l32awaa:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1766-l32bwa:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1766-l32bwaa:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1766-l32bxb:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1766-l32bxba:-:*:*:*:*:*:*:*

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