CVE-2020-36475 - CVE House
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Status published High CVE-2020-36475

An issue was discovered in Mbed TLS before 2.25.0 (and...

Vulnerability Description

An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). The calculations performed by mbedtls_mpi_exp_mod are not limited; thus, supplying overly large parameters could lead to denial of service when generating Diffie-Hellman key pairs.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

mbed tls, logo\! cmr2020 firmware, logo\! cmr2040 firmware, simatic rtu3031c firmware, simatic rtu3041c firmware, simatic rtu3030c firmware, simatic rtu3000c firmware, debian linux
Vulnerable Versions:
0, 2.8.0, 2.17.0, 9.0, 10.0

Timeline

Official Publish: August 23rd, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.