CVE-2022-43604
An out-of-bounds write vulnerability exists in the GetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 14.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
An out-of-bounds write vulnerability exists in the GetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c. A specially crafted EtherNet/IP request can lead to an out-of-bounds write, potentially causing the server to crash or allow for remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 14.37% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- opener project/opener
- Source
- talos-cna@cisco.com
EPSS 14.4% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1661Exploit, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1661Exploit, Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1661
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.