What is CVE-2020-35451?

CVE-2020-35451 is a medium-severity vulnerability in Apache Oozie, classified under Insecure Temporary File. CVSS score: 4.7/10. Published 2021-03-09.

How severe is CVE-2020-35451?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Apache Oozie

CVE-2020-35451

There is a race condition in OozieSharelibCLI in Apache Oozie before version 5.2.1 which allows a malicious attacker to replace the files in Oozie's sharelib during it's creation.

Published 2021-03-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (35.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Apache Oozie
Apache Software Foundation Oozie — versions unspecified

Weakness classification (CWE)

References

lists.apache.org/thread.html/r8688debdb8b586aab3e53dee2d675fc9212de0ec627a8d3cd… (Mailing List, Vendor Advisory)
www.openwall.com/lists/oss-security/2021/03/09/2 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-35451?: CVE-2020-35451 is a medium-severity vulnerability in Apache Oozie, classified under Insecure Temporary File. CVSS score: 4.7/10. Published 2021-03-09.
How severe is CVE-2020-35451?: Medium severity. CVSS v3 base score is 4.7 out of 10.