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Vulnerability record · CVE-2020-13929 · published 2 September 2021

CVE-2020-13929: Apache zeppelin vulnerability

Apache · Zeppelin

Authentication bypass vulnerability in Apache Zeppelin allows an attacker to bypass Zeppelin authentication mechanism to act as another user. This issue affects Apache Zeppelin Apache Zeppelin version 0.9.0 and prior versions.

7.5 CVSS 3.1 High EPSS 3.3% · top 12.1%
7.5CVSS 3.1 base score, v2 5.0
3.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

Description

Authentication bypass vulnerability in Apache Zeppelin allows an attacker to bypass Zeppelin authentication mechanism to act as another user. This issue affects Apache Zeppelin Apache Zeppelin version 0.9.0 and prior versions.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2021/09/02/2 Mailing ListThird Party Advisory
https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028%40%3Cannounce.apache.org%
https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028%40%3Cusers.zeppelin.apach Mailing ListVendor Advisory
https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028%40%3Cusers.zeppelin.apach Mailing ListVendor Advisory
https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028%40%3Cusers.zeppelin.apach Mailing ListVendor Advisory
https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028%40%3Cusers.zeppelin.apach Mailing ListVendor Advisory
https://lists.apache.org/thread.html/r99529e175a7c1c9a26bd41a02802c8af7aa97319fe561874627eb999%40%3Cusers.zeppelin.apach
https://security.gentoo.org/glsa/202311-04
http://www.openwall.com/lists/oss-security/2021/09/02/2 Mailing ListThird Party Advisory
https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028%40%3Cannounce.apache.org%
https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028%40%3Cusers.zeppelin.apach Mailing ListVendor Advisory
https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028%40%3Cusers.zeppelin.apach Mailing ListVendor Advisory
https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028%40%3Cusers.zeppelin.apach Mailing ListVendor Advisory
https://lists.apache.org/thread.html/r768800925d6407a6a87ccae0ec98776b7bda50c0e3ed3d0130dad028%40%3Cusers.zeppelin.apach Mailing ListVendor Advisory
https://lists.apache.org/thread.html/r99529e175a7c1c9a26bd41a02802c8af7aa97319fe561874627eb999%40%3Cusers.zeppelin.apach
https://security.gentoo.org/glsa/202311-04

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-13929), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.