CVE-2023-35847
CVE-2023-35847 is a high-severity vulnerability in Virtualsquare Picotcp 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-908.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-908
- Affected product: Virtualsquare Picotcp
- Published:
- Last modified:
Description
VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not have an MSS lower bound (e.g., it could be zero).
Frequently asked questions
- What is CVE-2023-35847?
- VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not have an MSS lower bound (e.g., it could be zero).
- How severe is CVE-2023-35847?
- CVE-2023-35847 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-2023-35847 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-35847?
- CVE-2023-35847 affects Virtualsquare Picotcp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-35847?
- 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-2023-35847 published?
- CVE-2023-35847 was published on 2023-06-19 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:virtualsquare:picotcp:*:*:*:*:*:*:*:*
More vulnerabilities in Virtualsquare Picotcp
- CVE-2023-35849 — High (CVSS 7.5): VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not properly check whether header sizes would result in…
- CVE-2023-35848 — High (CVSS 7.5): VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 lacks certain size calculations before attempting to set a value of…
- CVE-2023-35846 — High (CVSS 7.5): VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not check the transport layer length in a frame before…
All CVEs affecting Virtualsquare Picotcp →
Other CWE-908 (Use of Uninitialized Resource) vulnerabilities
- CVE-2025-1942 — Critical (CVSS 9.8): When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated…
- CVE-2024-47540 — Critical (CVSS 9.8): GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack variable…
- CVE-2024-32611 — Critical (CVSS 9.8): HDF5 Library through 1.14.3 may use an uninitialized value in H5A__attr_release_table in H5Aint.c.
- CVE-2023-24941 — Critical (CVSS 9.8): Windows Network File System Remote Code Execution Vulnerability
- CVE-2022-26437 — Critical (CVSS 9.8): In httpclient, there is a possible out of bounds write due to uninitialized data. This could lead to remote escalation…
- CVE-2021-45703 — Critical (CVSS 9.8): An issue was discovered in the tectonic_xdv crate before 0.1.12 for Rust. XdvParser::<T>::process may read from…
Browse all CWE-908 (Use of Uninitialized Resource) vulnerabilities →