CVE-2015-7764
Lemur uses static IV per key
7.5
HIGH
CVSS 3.1
EPSS 0.34%
Description
Lemur 0.1.4 does not use sufficient entropy in its IV when encrypting AES in CBC mode.
How to fix CVE-2015-7764
To remediate CVE-2015-7764, upgrade the affected package to a fixed version below.
- PyPI/lemur—upgrade to 0.1.5 or later
- PyPI/lemur—upgrade to 0.2.1 or later
Is CVE-2015-7764 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.1.5
- from 0, < 0.2.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |