01 Record
CVE-2017-20283
NXP MQX Classic before 5.0 contains an out-of-bounds write vulnerability in the RTCS UDP recvfrom() implementation. Improper enforcement of the application-supplied receive buffer length may allow a
MediumPUBLISHEDCNA: mitre
CNA base score6.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
02 Description
NXP MQX Classic before 5.0 contains an out-of-bounds write vulnerability in the RTCS UDP recvfrom() implementation. Improper enforcement of the application-supplied receive buffer length may allow a
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 1.18% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 67.6% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (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:N/I:L/A:L
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-15.
- 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.
04 Metadata
- Published
- 2026-10-08 02:12Z21 DAYS AGO
- Last updated
- 2026-10-15 18:10Z13 DAYS AGO
- Reserved
- 2026-09-09
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.2
- Document digest
- 4431c8a0dd21a6b17b5a2e5c0f7128779bf526a1c0cb844fabf66fc0f8caeed6
05 Affected products
VendorProductVersionsPlatforms