Vulnerability in Altran Picotcp

CVE-2020-24337

An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. When an unsupported TCP option with zero length is provided in an incoming TCP packet, it is possible to cause a Denial-of-Service by achieving an infinite loop in the code that parses TCP options, aka tcp_parse_options() in pico_tcp.c.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.029 (86.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-24337: held from 0.028 to 0.029.

EPSS over last 30 days · oldest: 0.028 · newest: 0.029 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-24337?
CVE-2020-24337 is a high-severity vulnerability in Altran Picotcp, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2020-12-11.
How severe is CVE-2020-24337?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-24337 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.