CVE-2023-40709
CVE-2023-40709 is a medium-severity vulnerability in Opto22 Snap Pac S1 Firmware with a CVSS 3.x base score of 6.8. 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-400.
Key facts
- Severity: Medium (CVSS 3.x base score 6.8)
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-400
- Affected product: Opto22 Snap Pac S1 Firmware
- Published:
- Last modified:
Description
An adversary could crash the entire device by sending a large quantity of ICMP requests if the controller has the built-in web server enabled but does not have the built-in web server completely set up and configured for the SNAP PAC S1 Firmware version R10.3b
Frequently asked questions
- What is CVE-2023-40709?
- An adversary could crash the entire device by sending a large quantity of ICMP requests if the controller has the built-in web server enabled but does not have the built-in web server completely set up and configured for the SNAP PAC S1 Firmware version R10.3b
- How severe is CVE-2023-40709?
- CVE-2023-40709 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2023-40709 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-40709?
- CVE-2023-40709 affects Opto22 Snap Pac S1 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-40709?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-40709 published?
- CVE-2023-40709 was published on 2023-08-24 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:opto22:snap_pac_s1_firmware:r10.3b:*:*:*:*:*:*:*
More vulnerabilities in Opto22 Snap Pac S1 Firmware
- CVE-2023-40707 — High (CVSS 8.6): There are no requirements for setting a complex password in the built-in web server of the SNAP PAC S1 Firmware version…
- CVE-2023-40706 — High (CVSS 8.6): There is no limit on the number of login attempts in the web server for the SNAP PAC S1 Firmware version R10.3b. This…
- CVE-2023-40710 — Medium (CVSS 6.8): An adversary could cause a continuous restart loop to the entire device by sending a large quantity of HTTP GET…
- CVE-2023-40708 — Medium (CVSS 5.8): The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow…
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