CVE-2021-42771
python-babel - security update
7.8
HIGH
CVSS 3.1
EPSS 0.17%
Description
Babel.Locale in Babel before 2.9.1 allows attackers to load arbitrary locale .dat files (containing serialized Python objects) via directory traversal, leading to code execution.
How to fix CVE-2021-42771
To remediate CVE-2021-42771, upgrade the affected package to a fixed version below.
- Alpine/py3-babel—upgrade to 2.9.1-r0 or later
- —upgrade to 2.8.0+dfsg.1-7 or later
- —upgrade to 2.3.4+dfsg.1-2+deb9u1 or later
- —upgrade to 2.6.0+dfsg.1-1+deb10u1 or later
- —upgrade to 2.9.1 or later
- —upgrade to 2.9.1 or later
Is CVE-2021-42771 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- from 0, < 2.9.1-r0
- from 0, < 2.8.0+dfsg.1-7
- from 0, < 2.3.4+dfsg.1-2+deb9u1
- from 0, < 2.6.0+dfsg.1-1+deb10u1
- from 0, < 2.9.1
- from 0, < 2.9.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |