Out-of-bounds Read in Moxa Awk-3131a
CVE-2019-5148
An exploitable denial-of-service vulnerability exists in ServiceAgent functionality of the Moxa AWK-3131A, firmware version 1.13. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.
Vulnerability class: Buffer Overflow
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: 0.025 (83.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Moxa Awk-3131a
- Moxa Awk-3131a Firmware — versions 1.13
- Moxa — versions Moxa AWK-3131A Firmware version 1.13
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2019-0938 (Technical Description, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-5148?
- CVE-2019-5148 is a high-severity vulnerability in Moxa Awk-3131a, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2020-02-25.
- How severe is CVE-2019-5148?
- High severity. CVSS v3 base score is 7.5 out of 10.