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CVE-2020-13929

Notebook permissions bypass

7.5 HighFix available

CVE-2020-13929 is a high vulnerability (CVSS 7.5) in Apache Zeppelin, published September 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.26%, the 88th percentile. Fixed in org.apache.zeppelin:zeppelin 0.10.0.

Severity
7.5 HighCVSS 3.1, NVD
Exploit chance
3.26%EPSS, 88th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
0.10.0org.apache.zeppelin:zeppelin +1 more

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

3.26%Up 2.2 points since Sep 3, 2021
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.apache.zeppelin:zeppelin
Maven
before 0.10.0
0.10.0
org.apache.zeppelin:zeppelin
Maven
before 0.10.0, plus listed versions
0.5.0-incubating0.6.00.6.10.6.20.7.0
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0.7.10.7.20.7.30.8.00.8.10.8.20.9.00.9.0-preview10.9.0-preview2
0.10.0

What each source reports

NVD Score used7.5

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.

Record
CVE-2020-13929
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Updated
2026-11-02
CVE ListNo score

Notebook permissions bypass

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.

Record
CVE-2020-13929
Updated
2026-11-02
EUVDEUVD-2021-2014No score

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.

Record
EUVD-2021-2014
Updated
2026-11-03
GitHub AdvisoriesGHSA-87p2-cvhq-q4mv7.5

Authentication bypass in 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.

Record
GHSA-87p2-cvhq-q4mv
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-287
Updated
2026-11-02
OSV7.5

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.

Record
CVE-2020-13929
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVGHSA-87p2-cvhq-q4mv7.5

Authentication bypass in 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.

Record
GHSA-87p2-cvhq-q4mv
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-287
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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