Vulnerability · Published Nov 9, 2023 · Assigned by mitre
CVE-2023-46894
High 7.5
In plain English
A high-severity security flaw in the esptool package (PyPI). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)0.5%top 58.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An issue discovered in esptool 4.6.2 allows attackers to view sensitive information via weak cryptographic algorithm.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | esptool | no fix listed | GHSA-3f38-96qm-r3fw |
| PyPI | esptool | no fix listed | PYSEC-2023-234 |
| Ubuntu:22.04:LTS | esptool | no fix listed | UBUNTU-CVE-2023-46894 |
| Ubuntu:24.04:LTS | esptool | no fix listed | UBUNTU-CVE-2023-46894 |
| Ubuntu:25.10 | esptool | no fix listed | UBUNTU-CVE-2023-46894 |
| Ubuntu:26.04:LTS | esptool | no fix listed | UBUNTU-CVE-2023-46894 |
| Ubuntu:26.10 | esptool | no fix listed | UBUNTU-CVE-2023-46894 |