CVE-2020-17529 json
Apache NuttX (incubating) Out of Bound Write from invalid fragmentation offset value specified in the IP header
published 2020-12-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-9465
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
2.89% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Apache Software Foundation Apache NuttX (incubating)
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
lists.apache.org
/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3E
mailing-list, vendor-advisory
-
openwall.com
/lists/oss-security/2020/12/09/5
mailing-list, third-party-advisory
Sources
- CVE List CVE-2020-17529
- NVD CVE-2020-17529
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