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CVE-2023-35847

VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not have an MSS lower bound (e.g., it...

7.5 High

CVE-2023-35847 is a high vulnerability (CVSS 7.5) in Virtualsquare Picotcp, published June 19, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. No source names a fixed version.

What does this mean?
Severity
7.5 HighCVSS 3.1, NVD
Exploit chance
0.70%EPSS, 53rd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not have an MSS lower bound (e.g., it could be zero).

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.70%Up 0.7 points since Jun 19, 2023
90%50%10%1%

Affected products

What each source reports

NVD Score used7.5

VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not have an MSS lower bound (e.g., it could be zero).

Record
CVE-2023-35847
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-908
Updated
2026-11-02
CVE ListNo score

VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not have an MSS lower bound (e.g., it could be zero).

Record
CVE-2023-35847
Updated
2026-11-02
EUVDEUVD-2023-39840No score

VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not have an MSS lower bound (e.g., it could be zero).

Record
EUVD-2023-39840
Updated
2026-11-03
GitHub AdvisoriesGHSA-rm6f-cq9j-f78m7.5

VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not have an MSS lower bound (e.g., it...

VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not have an MSS lower bound (e.g., it could be zero).

Record
GHSA-rm6f-cq9j-f78m
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-908
Updated
2026-11-02
OSVNo score

VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not have an MSS lower bound (e.g., it could be zero).

Record
CVE-2023-35847
Updated
2026-11-02

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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