CVE-2022-21797

Name: CVE-2022-21797
Creator: NVD / NIST
Published: 2022-09-26T05:15:10.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.89%

Last modified Jun 17, 2026

CVE-2022-21797 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The package joblib from 0 and before 1.2.0 are vulnerable to Arbitrary Code Execution via the pre_dispatch flag in Parallel() class due to the eval() statement.. EPSS estimates a 1.89% chance of exploitation in the next 30 days.

Description

The package joblib from 0 and before 1.2.0 are vulnerable to Arbitrary Code Execution via the pre_dispatch flag in Parallel() class due to the eval() statement.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.89%

77.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Joblib Project	Joblib	< 1.1.1
Fedoraproject	Fedora	36
Fedoraproject	Fedora	37
Debian	Debian Linux	10.0

References

https://github.com/joblib/joblib/commit/b90f10efeb670a2cc877fb88ebb3f2019189e059Patch, Third Party Advisory
https://github.com/joblib/joblib/issues/1128Exploit, Issue Tracking, Third Party Advisory
https://github.com/joblib/joblib/pull/1321Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00020.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00027.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BVOMMW37OXZWU2EV5ONAAS462IQEHZOF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MJ5XTJS6OKJRRVXWFN5J67K3BYPEOBDF/
https://security.gentoo.org/glsa/202401-01
https://security.snyk.io/vuln/SNYK-PYTHON-JOBLIB-3027033Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/joblib/joblib/commit/b90f10efeb670a2cc877fb88ebb3f2019189e059Patch, Third Party Advisory
https://github.com/joblib/joblib/issues/1128Exploit, Issue Tracking, Third Party Advisory
https://github.com/joblib/joblib/pull/1321Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00020.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00027.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BVOMMW37OXZWU2EV5ONAAS462IQEHZOF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MJ5XTJS6OKJRRVXWFN5J67K3BYPEOBDF/
https://security.gentoo.org/glsa/202401-01
https://security.snyk.io/vuln/SNYK-PYTHON-JOBLIB-3027033Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Sep 26, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-21797?

The package joblib from 0 and before 1.2.0 are vulnerable to Arbitrary Code Execution via the pre_dispatch flag in Parallel() class due to the eval() statement.

How severe is CVE-2022-21797?

CVE-2022-21797 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.89% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21797?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-21797?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST