CVE-2020-13988: contiki-ng Integer Overflow or Wraparound
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-13988DEBIAN-CVE-2020-13988
Published 11-12-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-13988 is a high (CVSS 7.5) Integer Overflow or Wraparound vulnerability in contiki-ng. EPSS estimates a 3.96% chance of exploitation in the next 30 days, higher than 90.3% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
3.96%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 11-12-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Contiki through 3.0. An Integer Overflow exists in the uIP TCP/IP Stack component when parsing TCP MSS options of IPv4 network packets in uip_process in net/ipv4/uip.c.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.96%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.96% on 21-09-2026
21-09-202621-10-2026
EPSS score3.96%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Contiki-ng1 product
- contiki-ng≤ 3.0
Debian1 product
- open-iscsi< 2.1.3-1
Ubuntu1 product
- open-iscsi< 2.0.873+git0.3b4b4500-14ubuntu3.7+esm1 | < 2.0.874-5ubuntu2.11+esm1 | < 2.0.874-7.1ubuntu6.4
3 vendors · 3 products
References
8 links
us-cert.cisa.gov/ics/advisories/icsa-20-343-01X Refsource MISCThird Party AdvisoryUS Government Resource