CVE-2020-17529

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.89% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 86.4% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-12-09 16:35Z5 YR AGO

Last updated

2025-02-13 16:27Z1 YR AGO

Reserved

2020-08-12

Assigning CNA

apache

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

3e8f321ba71f3ec1d0cb52daa643b757d6615d5d29179e378621662580214058

• lists.apache.orghttps://lists.apache.org/thread.html/r4d71ae3ab96b589835b94ba7ac4cb88a704e7307bceefeab749366f3%40%3Cdev.nuttx.apache.org%3Ex_refsource_MISC
• www.openwall.com[oss-security] 20201209 CVE-2020-17529: Apache NuttX (incubating) Out of Bound Write from invalid fragmentation offset value specified in the IP headerhttp://www.openwall.com/lists/oss-security/2020/12/09/5mailing-listx_refsource_MLIST