Skip to main content

Contiki CVE-2020-13984

HIGH
Loop with Unreachable Exit Condition (Infinite Loop) (CWE-835)
2020-12-11 cve@mitre.org
Denial Of Service Contiki
7.5
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Dec 11, 2020 - 22:15 nvd
HIGH 7.5

DescriptionNVD

An issue was discovered in Contiki through 3.0. An infinite loop exists in the uIP TCP/IP stack component when processing IPv6 extension headers in ext_hdr_options_process in net/ipv6/uip6.c.

AnalysisAI

An issue was discovered in Contiki through 3.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-835. An issue was discovered in Contiki through 3.0. An infinite loop exists in the uIP TCP/IP stack component when processing IPv6 extension headers in ext_hdr_options_process in net/ipv6/uip6.c. Affected products include: Contiki-Os Contiki. Version information: through 3.0..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

More in Contiki

View all
CVE-2021-38311 HIGH POC
7.5 Aug 09

In Contiki 3.0, potential nonterminating acknowledgment loops exist in the Telnet service. Rated high severity (CVSS 7.5
CVE-2020-24336 CRITICAL
9.8 Dec 11

An issue was discovered in Contiki through 3.0 and Contiki-NG through 4.5. Rated critical severity (CVSS 9.8), this vuln
CVE-2017-7295 HIGH
7.5 May 28

An issue was discovered in Contiki Operating System 3.0. Rated high severity (CVSS 7.5), this vulnerability is remotely

CVE-2021-40523 HIGH
7.5 Sep 05

In Contiki 3.0, Telnet option negotiation is mishandled. Rated high severity (CVSS 7.5), this vulnerability is remotely

CVE-2021-38387 HIGH
7.5 Aug 10

In Contiki 3.0, a Telnet server that silently quits (before disconnection with clients) leads to connected clients enter
CVE-2021-38386 HIGH
7.5 Aug 10

In Contiki 3.0, a buffer overflow in the Telnet service allows remote attackers to cause a denial of service because the
CVE-2021-28362 HIGH
7.5 Mar 24

An issue was discovered in Contiki through 3.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitab
CVE-2020-13986 HIGH
7.5 Dec 11

An issue was discovered in Contiki through 3.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitab
CVE-2020-13985 HIGH
7.5 Dec 11

An issue was discovered in Contiki through 3.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitab
CVE-2017-7296 MEDIUM
6.1 May 28

An issue was discovered in Contiki Operating System 3.0. Rated medium severity (CVSS 6.1), this vulnerability is remotel

Same weakness CWE-835 – Loop with Unreachable Exit Condition (Infinite Loop)

View all
CVE-2024-20353 HIGH POC
8.6
CVE-2017-16944 HIGH POC
7.5
CVE-2022-0778 HIGH POC
7.5
CVE-2024-43366 CRITICAL POC
9.1
CVE-2026-25533 HIGH POC
8.8
CVE-2018-8002 HIGH POC
8.8
CVE-2017-15223 MEDIUM POC
5.3
CVE-2025-71329 HIGH POC
8.7

Same technique Denial Of Service

View all
CVE-2015-5119 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2012-0507 CRITICAL POC
9.8
CVE-2014-1761 HIGH POC
7.8
CVE-2015-5122 CRITICAL POC
9.8
CVE-2011-0609 HIGH POC
7.8

Share

CVE-2020-13984 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy