Out-of-bounds Read in Contiki-Os Contiki
CVE-2020-13987
An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upper_layer_chksum in net/ipv4/uip.c.
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: 0.033 (88.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.kb.cert.org/vuls/id/815128 (US Government Resource, Third Party Advisory)
- us-cert.cisa.gov/ics/advisories/icsa-20-343-01 (US Government Resource, Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-541018.pdf (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13987?
- CVE-2020-13987 is a high-severity vulnerability in Contiki-Os Contiki, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2020-12-11.
- How severe is CVE-2020-13987?
- High severity. CVSS v3 base score is 7.5 out of 10.