What is CVE-2020-17529?

CVE-2020-17529 is a critical-severity vulnerability in Apache Nuttx, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-12-09.

How severe is CVE-2020-17529?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Apache Nuttx

CVE-2020-17529

Out-of-bounds Write vulnerability in TCP Stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying and invalid fragmentation offset value specified in the IP header. This is only impacts builds with both CONFIG_EXPERIMENTAL and CONFIG_NET_TCP_REASSEMBLY build flags enabled.

Vulnerability class: Buffer Overflow

EPSS: 0.029 (85.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apache Nuttx — versions 10.0.0
Apache Software Foundation Nuttx (Incubating) — versions unspecified, 10.0.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@apache.org (Mailing List, x_refsource_MISC, Vendor Advisory)
security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-17529?: CVE-2020-17529 is a critical-severity vulnerability in Apache Nuttx, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-12-09.
How severe is CVE-2020-17529?: Critical severity. CVSS v3 base score is 9.8 out of 10.