CVE-2023-40708
CVE-2023-40708 is a medium-severity vulnerability in Opto22 Snap Pac S1 Firmware with a CVSS 3.x base score of 5.8. 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-1188.
Key facts
- Severity: Medium (CVSS 3.x base score 5.8)
- EPSS exploit prediction: 0% (30th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1188
- Affected product: Opto22 Snap Pac S1 Firmware
- Published:
- Last modified:
Description
The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow an adversary to access some device files.
Frequently asked questions
- What is CVE-2023-40708?
- The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow an adversary to access some device files.
- How severe is CVE-2023-40708?
- CVE-2023-40708 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2023-40708 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-40708?
- CVE-2023-40708 affects Opto22 Snap Pac S1 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-40708?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-40708 published?
- CVE-2023-40708 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-2023-40709 — Medium (CVSS 6.8): An adversary could crash the entire device by sending a large quantity of ICMP requests if the controller has the…
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