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CVE-2021-29429

Information disclosure through temporary directory permissions

4.0 MediumFix available

In Gradle before version 7.0, files created with open permissions in the system temporary directory can allow an attacker to access information downloaded by Gradle. Some builds could be vulnerable to a local information disclosure. Remote files accessed through TextResourceFactory are downloaded into the system temporary directory first. Sensitive information contained in these files can be exposed to other local users on the same system. If you do not use the TextResourceFactory API, you are not vulnerable. As of Gradle 7.0, uses of the system temporary directory have been moved to the Gradle User Home directory. By default, this directory is restricted to the user running the build. As a workaround, set a more restrictive umask that removes read access to other users. When files are created in the system temporary directory, they will not be accessible to other users. If you are unable to change your system's umask, you can move the Java temporary directory by setting the System Property java.io.tmpdir. The new path needs to limit permissions to the build user only.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.48%Up 0.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 4.0

Information disclosure through temporary directory permissions

In Gradle before version 7.0, files created with open permissions in the system temporary directory can allow an attacker to access information downloaded by Gradle. Some builds could be vulnerable to a local information disclosure. Remote files accessed through TextResourceFactory are downloaded into the system temporary directory first. Sensitive information contained in these files can be exposed to other local users on the same system. If you do not use the TextResourceFactory API, you are not vulnerable. As of Gradle 7.0, uses of the system temporary directory have been moved to the Gradle User Home directory. By default, this directory is restricted to the user running the build. As a workaround, set a more restrictive umask that removes read access to other users. When files are created in the system temporary directory, they will not be accessible to other users. If you are unable to change your system's umask, you can move the Java temporary directory by setting the System Property java.io.tmpdir. The new path needs to limit permissions to the build user only.

Record
CVE-2021-29429
CVSS 3.1
4.0 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-377
Updated
2026-11-02
EUVDEUVD-2021-16060 4.0

In Gradle before version 7.0, files created with open permissions in the system temporary directory can allow an attacker to access information downloaded by Gradle. Some builds could be vulnerable to a local information disclosure. Remote files accessed through TextResourceFactory are downloaded into the system temporary directory first. Sensitive information contained in these files can be exposed to other local users on the same system. If you do not use the TextResourceFactory API, you are not vulnerable. As of Gradle 7.0, uses of the system temporary directory have been moved to the Gradle User Home directory. By default, this directory is restricted to the user running the build. As a workaround, set a more restrictive umask that removes read access to other users. When files are created in the system temporary directory, they will not be accessible to other users. If you are unable to change your system's umask, you can move the Java temporary directory by setting the System Property java.io.tmpdir. The new path needs to limit permissions to the build user only.

Record
EUVD-2021-16060
CVSS 3.1
4.0 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
NVD 4.0

In Gradle before version 7.0, files created with open permissions in the system temporary directory can allow an attacker to access information downloaded by Gradle. Some builds could be vulnerable to a local information disclosure. Remote files accessed through TextResourceFactory are downloaded into the system temporary directory first. Sensitive information contained in these files can be exposed to other local users on the same system. If you do not use the TextResourceFactory API, you are not vulnerable. As of Gradle 7.0, uses of the system temporary directory have been moved to the Gradle User Home directory. By default, this directory is restricted to the user running the build. As a workaround, set a more restrictive umask that removes read access to other users. When files are created in the system temporary directory, they will not be accessible to other users. If you are unable to change your system's umask, you can move the Java temporary directory by setting the System Property java.io.tmpdir. The new path needs to limit permissions to the build user only.

Record
CVE-2021-29429
CVSS 3.1
4.0 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
1.9 LowAV:L/AC:M/Au:N/C:P/I:N/A:N
Weakness
CWE-377
Updated
2026-11-02
OSV 5.5

In Gradle before version 7.0, files created with open permissions in the system temporary directory can allow an attacker to access information downloaded by Gradle. Some builds could be vulnerable to a local information disclosure. Remote files accessed through TextResourceFactory are downloaded into the system temporary directory first. Sensitive information contained in these files can be exposed to other local users on the same system. If you do not use the TextResourceFactory API, you are not vulnerable. As of Gradle 7.0, uses of the system temporary directory have been moved to the Gradle User Home directory. By default, this directory is restricted to the user running the build. As a workaround, set a more restrictive umask that removes read access to other users. When files are created in the system temporary directory, they will not be accessible to other users. If you are unable to change your system's umask, you can move the Java temporary directory by setting the System Property java.io.tmpdir. The new path needs to limit permissions to the build user only.

Record
CVE-2021-29429
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2021-29429 5.5

In Gradle before version 7.0, files created with open permissions in the system temporary directory can allow an attacker to access information downloaded by Gradle. Some builds could be vulnerable to a local information disclosure. Remote files accessed through TextResourceFactory are downloaded into the system temporary directory first. Sensitive information contained in these files can be exposed to other local users on the same system. If you do not use the TextResourceFactory API, you are not vulnerable. As of Gradle 7.0, uses of the system temporary directory have been moved to the Gradle User Home directory. By default, this directory is restricted to the user running the build. As a workaround, set a more restrictive umask that removes read access to other users. When files are created in the system temporary directory, they will not be accessible to other users. If you are unable to change your system's umask, you can move the Java temporary directory by setting the System Property java.io.tmpdir. The new path needs to limit permissions to the build user only.

Record
DEBIAN-CVE-2021-29429
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVBIT-gradle-2021-29429 No score

Information disclosure through temporary directory permissions

In Gradle before version 7.0, files created with open permissions in the system temporary directory can allow an attacker to access information downloaded by Gradle. Some builds could be vulnerable to a local information disclosure. Remote files accessed through TextResourceFactory are downloaded into the system temporary directory first. Sensitive information contained in these files can be exposed to other local users on the same system. If you do not use the TextResourceFactory API, you are not vulnerable. As of Gradle 7.0, uses of the system temporary directory have been moved to the Gradle User Home directory. By default, this directory is restricted to the user running the build. As a workaround, set a more restrictive umask that removes read access to other users. When files are created in the system temporary directory, they will not be accessible to other users. If you are unable to change your system's umask, you can move the Java temporary directory by setting the System Property java.io.tmpdir. The new path needs to limit permissions to the build user only.

Record
BIT-gradle-2021-29429
Updated
2026-11-02
OSVSUSE-SU-2024:1119-1 No score

Security update for gradle, gradle-bootstrap

This update for gradle, gradle-bootstrap fixes the following issues:

  • CVE-2021-29429: Fixed information disclosure through temporary directory permissions (bsc#1184799).
  • CVE-2019-15052: Fixed authentication credentials disclosure (bsc#1145903).

gradle:

  • Fixed RPM package building issues due to changed dependencies

gradle-bootstrap:

  • Added missing dependency of aopalliance
Record
SUSE-SU-2024:1119-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
gradle
Bitnami
before 7.0.0
7.0.0
gradle
Debian:12
All versions, plus listed versions
4.4.1-184.4.1-194.4.1-204.4.1-214.4.1-22
Show 5 moreShow less
4.4.1-234.5.1-14.6-14.6-24.6-3
None known
gradle
Debian:13
All versions, plus listed versions
4.4.1-224.4.1-234.5.1-14.6-14.6-24.6-3
None known
gradle
Debian:14
All versions, plus listed versions
4.4.1-224.4.1-234.5.1-14.6-14.6-24.6-3
None known
gradle
SUSE:Linux Enterprise Module for Development Tools 15 SP5
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
gradle
SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
gradle
SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
gradle
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
gradle
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
gradle
SUSE:Linux Enterprise Server 15 SP2-LTSS
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
Show 8 moreShow less
Affected packages
PackageAffectedFixed
gradle
SUSE:Linux Enterprise Server 15 SP3-LTSS
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
gradle
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
gradle
SUSE:Linux Enterprise Server for SAP Applications 15 SP2
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
gradle
SUSE:Linux Enterprise Server for SAP Applications 15 SP3
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
gradle
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
gradle
SUSE:Enterprise Storage 7.1
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
gradle
openSUSE:Leap 15.5
From an advisory covering 2 CVEs
before 4.4.1-150200.3.15.1
4.4.1-150200.3.15.1
gradle-bootstrap
openSUSE:Leap 15.5
From an advisory covering 2 CVEs
before 4.4.1-150200.3.9.1
4.4.1-150200.3.9.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, NVD, OSV

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

In short

CVE-2021-29429 is a medium vulnerability (CVSS 4.0) in Gradle, published April 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.48%, the 41st percentile. Fixed in gradle 7.0.0.

References

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