CVE-2020-24388
Vulnerability Scoring
Status: Modified - Last modified: 07 Nov 2023, 03:19 UTC Published: 19 Oct 2020, 20:15 UTC
An issue was discovered in the _send_secure_msg() function of yubihsm-shell through 2.0.2. The function does not validate the embedded length field of a message received from the device. This could lead to an oversized memcpy() call that will crash the running process. This could be used by an attacker to cause a denial of service.
Above is the Access Complexity Graph for CVE-2020-24388. It helps visualize the difficulty level and privilege requirements needed to exploit this vulnerability, providing a quick assessment of its exploitation feasibility.
Above is the CVSS Sub-score Breakdown for CVE-2020-24388, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
Below is the Impact Analysis for CVE-2020-24388, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
The EPSS score estimates the probability that this vulnerability will be exploited in the near future.
EPSS Score: 0.519% (probability of exploit)
EPSS Percentile: 76.98%
(lower percentile = lower relative risk)
This vulnerability is less risky than approximately 23.019999999999996% of others.
nvd@nist.gov
Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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