CVE-2020-6088
CVE-2020-6088 is a high-severity vulnerability in Rockwellautomation Flex Io 1794-aent/b 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-120.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 3% (88th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-120
- Affected product: Rockwellautomation Flex Io 1794-aent/b Firmware
- Published:
- Last modified:
Description
An exploitable denial of service vulnerability exists in the ENIP Request Path Network Segment functionality of Allen-Bradley Flex IO 1794-AENT/B 4.003. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.
Frequently asked questions
- What is CVE-2020-6088?
- An exploitable denial of service vulnerability exists in the ENIP Request Path Network Segment functionality of Allen-Bradley Flex IO 1794-AENT/B 4.003. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.
- How severe is CVE-2020-6088?
- CVE-2020-6088 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 none, integrity none, and availability high.
- Is CVE-2020-6088 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-6088?
- CVE-2020-6088 affects Rockwellautomation Flex Io 1794-aent/b Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-6088?
- 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-2020-6088 published?
- CVE-2020-6088 was published on 2021-02-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:rockwellautomation:flex_io_1794-aent\/b_firmware:4.003:*:*:*:*:*:*:*
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