Vulnerability-Lookup

VAR-202102-1510

Vulnerability from variot - Updated: 2023-12-26 22:23

In Contiki 4.5, TCP ISNs are improperly random. Contiki-NG There is a vulnerability in the use of inadequate random values.Information may be obtained and information may be tampered with. Contiki is an open-source, cross-platform operating system for IoT (Internet of Things) devices. Contiki-NG is an open-source cross-platform operating system for next-generation IoT (Internet of Things) devices. A security feature issue vulnerability exists in uIP, Contiki-OS, and Contiki-NG that could allow an attacker to spoof or destroy a TCP connection

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CVE-2020-27634 (GCVE-0-2020-27634)

Vulnerability from cvelistv5 – Published: 2023-10-10 00:00 – Updated: 2024-09-19 15:04

Summary

In Contiki 4.5, TCP ISNs are improperly random.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-19 15:04 UTC

CWE

Assigner

mitre mitre root Scorecard

References

3 references

URL	Tags
https://www.forescout.com
https://www.cisa.gov/news-events/ics-advisories/i…
https://www.forescout.com/resources/numberjack-we…

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

VAR-202102-1510

CVE-2020-27634 (GCVE-0-2020-27634)

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Related by attack behaviour