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CVE-2016-6345

Exposure of Sensitive Information to an Unauthorized Actor in RESTEasy

6.5 MediumFix available

CVE-2016-6345 is a medium vulnerability (CVSS 6.5) in Redhat Resteasy, published September 7, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.77%, the 78th percentile. Fixed in org.jboss.resteasy:resteasy-client 3.0.20.Final.

RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

1.77%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 6.5

RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs.

Record
CVE-2016-6345
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
CVE List No score

RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs.

Record
CVE-2016-6345
Updated
2026-11-02
EUVDEUVD-2022-5455 No score

RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs.

Record
EUVD-2022-5455
Updated
2026-11-03
GitHub AdvisoriesGHSA-vxhj-3x7p-jxp5 6.5

Exposure of Sensitive Information to an Unauthorized Actor in RESTEasy

RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs.

Record
GHSA-vxhj-3x7p-jxp5
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
OSV 6.5

RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs.

Record
CVE-2016-6345
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2016-6345 6.5

RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs.

Record
DEBIAN-CVE-2016-6345
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVGHSA-vxhj-3x7p-jxp5 6.5

Exposure of Sensitive Information to an Unauthorized Actor in RESTEasy

RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs.

Record
GHSA-vxhj-3x7p-jxp5
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
OSVUBUNTU-CVE-2016-6345 6.5

RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs.

Record
UBUNTU-CVE-2016-6345
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVUSN-7630-1 No score

resteasy, resteasy3.0 vulnerabilities

It was discovered that RESTEasy made insufficient use of random values in asynchronous jobs. An attacker could possibly use this issue to steal user data. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-6345)

It was discovered that RESTEasy enabled a vulnerable GZIP decompression module by default. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-6346)

It was discovered that RESTEasy improperly made use of unsanitized data while handling certain errors. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-6347)

It was discovered that RESTEasy enabled a vulnerable JSON manipulation module by default. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-6348)

It was discovered that RESTEasy enabled a vulnerable deserialization module by default. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-7050)

Nikos Papadopoulos discovered that RESTEasy improperly handled URL encoding when certain errors occur. An attacker could possibly use this issue to modify the app's behavior for other users throughout the network. This issue did not affect resteasy3.0 in Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2020-10688)

Mirko Selber discovered that RESTEasy improperly validated user input during HTTP response construction. An attacker could possibly use this issue to to cause a denial of service or execute arbitrary code. This issue did not affect resteasy3.0 in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2020-1695)

It was discovered that RESTEasy improperly handled receiving the WebApplicationException during a client call. An attacker could possibly use this issue to obtain potentially sensitive server information. (CVE-2020-25633)

It was discovered that RESTEasy improperly populated exception responses with endpoint class and method names. An attacker could possibly use this issue to obtain potentially sensitive server information. (CVE-2021-20289)

It was discovered that RESTEasy used improper permissions when creating temporary files. An attacker could possibly use this issue to get access to sensitive data. (CVE-2023-0482)

It was discovered that RESTEasy improperly handled certain HTTP requests containing ASCII control characters. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-9622)

Record
USN-7630-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.jboss.resteasy:resteasy-client
Maven
through 3.0.19.Final
3.0.20.Final
org.jboss.resteasy:resteasy-client
Maven
3.1.0.Beta1 to 3.1.0.Beta2
3.1.0.CR1
resteasy3.0
Debian:12
before 3.0.26-1
3.0.26-1
resteasy3.0
Debian:13
before 3.0.26-1
3.0.26-1
resteasy3.0
Debian:14
before 3.0.26-1
3.0.26-1
org.jboss.resteasy:resteasy-client
Maven
before 3.0.20.Final, plus listed versions
1.0-beta-61.0-beta-71.0-beta-83.0-beta-13.0-beta-2
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3.0-beta-33.0-beta-43.0-beta-53.0-beta-63.0-rc-13.0.0.Final3.0.1.Final3.0.10.Final3.0.11.Final3.0.12.Final3.0.13.Final3.0.14.Final3.0.15.Final3.0.16.Final3.0.17.Final3.0.18.Final3.0.19.Final3.0.2.Final3.0.3.Final3.0.4.Final3.0.5.Final3.0.6.Final3.0.7.Final3.0.8.Final3.0.9.Final
3.0.20.Final
org.jboss.resteasy:resteasy-client
Maven
3.1.0.Beta1 up to 3.1.0.CR1, plus listed versions
3.1.0.Beta2
3.1.0.CR1
resteasy
Ubuntu:Pro:16.04:LTS
before 3.0.6-3ubuntu0.1~esm1, plus listed versions
3.0.6-3
3.0.6-3ubuntu0.1~esm1
resteasy3.0
Ubuntu:Pro:18.04:LTS
before 3.0.26-1~18.04.1~esm1, plus listed versions
3.0.19-13.0.19-23.0.26-1~18.04
3.0.26-1~18.04.1~esm1
resteasy3.0
Ubuntu:Pro:20.04:LTS
before 3.0.26-1ubuntu0.1~esm1, plus listed versions
3.0.26-1
3.0.26-1ubuntu0.1~esm1
resteasy3.0
Ubuntu:22.04:LTS
before 3.0.26-3ubuntu0.1, plus listed versions
3.0.26-23.0.26-3
3.0.26-3ubuntu0.1
resteasy3.0
Ubuntu:24.04:LTS
before 3.0.26-6ubuntu0.24.04.1, plus listed versions
3.0.26-6
3.0.26-6ubuntu0.24.04.1

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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