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CVE-2020-15250

20
FAUCET Score

CVE-2020-15250 is a local information disclosure vulnerability in JUnit4 versions 4.7 through 4.13.0, affecting products like Apache, Debian, and Oracle. It allows untrusted local users to read sensitive data written to temporary folders if JUnit tests execute in a shared environment and store secrets like API keys. Rated Medium (CVSS 5.5), this vulnerability requires user interaction (UI:R) and has a high confidentiality impact (C:H) but no integrity or availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.7, < 4.13.1CPE matchmatch criteria
cpe:2.3:a:junit:junit4:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
< 3.1.1CPE matchmatch criteria
cpe:2.3:a:apache:pluto:*:*:*:*:*:*:*:*
1.14.0CPE matchmatch criteria
cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.4MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
0.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0169 is in the 85th percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: junit:junitFixed in: 4.13.1
microsoftpatch availablevia msrc
Product: 19209-17084Fixed in: 4.13-7
microsoftpatch availablevia msrc
Product: azl3 junit 4.13-7 on Azure Linux 3.0Fixed in: 4.13-7
oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Fuse 7.11Fixed in: junit4
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: eclipse:rhel8/junit

Vendor Advisories (3)

microsoft2020-Oct/CVE-2020-15250Moderate

Information disclosure in JUnit4

Oct 13, 2020
mavenGHSA-269g-pwp5-87ppmedium

TemporaryFolder on unix-like systems does not limit access to created files

Oct 12, 2020
redhatCVE-2020-15250Low

junit4: TemporaryFolder is shared between all users across system which could result in information disclosure

Oct 12, 2020

References

github.com / junit-team/junit4/blob/7852b90cfe1cea1e0cdaa19d490c83f0d8684b50/doc/ReleaseNotes4.13.1.md
Release NotesThird Party Advisory
github.com / junit-team/junit4/commit/610155b8c22138329f0723eec22521627dbc52ae
PatchThird Party Advisory
github.com / junit-team/junit4/issues/1676
Issue TrackingThird Party Advisory
github.com / junit-team/junit4/security/advisories/GHSA-269g-pwp5-87pp
ExploitThird Party Advisory
junit.org / junit4/javadoc/4.13/org/junit/rules/TemporaryFolder.html
Vendor Advisory
lists.apache.org / thread.html/r01110833b63616ddbef59ae4e10c0fbd0060f0a51206defd4cb4d917%40%3Ccommits.pulsar.apache.org%3E
lists.apache.org / thread.html/r09cfbb5aedd76023691bbce9ca4ce2e16bb07dd37554a17efc19935d%40%3Cpluto-dev.portals.apache.org%3E
lists.apache.org / thread.html/r1209986f79359b518d09513ff05a88e5b3c398540e775edea76a4774%40%3Cdev.knox.apache.org%3E
lists.apache.org / thread.html/r29d703d1986d9b871466ff24082a1828ac8ad27bb0965a93a383872e%40%3Cpluto-scm.portals.apache.org%3E
lists.apache.org / thread.html/r2b78f23bc2711a76a7fc73ad67b7fcd6817c5cfccefd6f30a4f54943%40%3Cdev.knox.apache.org%3E
lists.apache.org / thread.html/r30f502d2f79e8d635361adb8108dcbb73095163fcbd776ee7984a094%40%3Ccommits.creadur.apache.org%3E
lists.apache.org / thread.html/r500517c23200fb2fdb0b82770a62dd6c88b3521cfb01cfd0c76e3f8b%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/r5f8841507576f595bb783ccec6a7cb285ea90d4e6f5043eae0e61a41%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/r687f489b10b0d14e46f626aa88476545e1a2600b24c4ebd3c0d2a10b%40%3Cdev.knox.apache.org%3E
lists.apache.org / thread.html/r717877028482c55acf604d7a0106af4ca05da4208c708fb157b53672%40%3Ccommits.creadur.apache.org%3E
lists.apache.org / thread.html/r742b44fd75215fc75963b8ecc22b2e4372e68d67d3d859d2b5e8743f%40%3Cdev.knox.apache.org%3E
lists.apache.org / thread.html/r8b02dc6f18df11ff39eedb3038f1e31e6f90a779b1959bae65107279%40%3Cdev.knox.apache.org%3E
lists.apache.org / thread.html/r925eaae7dd8f77dd61eefc49c1fcf54bd9ecfe605486870d7b1e9390%40%3Cpluto-dev.portals.apache.org%3E
lists.apache.org / thread.html/r934208a520b38f5cf0cae199b6b076bfe7d081809528b0eff2459e40%40%3Cdev.knox.apache.org%3E
lists.apache.org / thread.html/r95f8ef60c4b3a5284b647bb3132cda08e6fadad888a66b84f49da0b0%40%3Ccommits.creadur.apache.org%3E
lists.apache.org / thread.html/r9710067c7096b83cb6ae8f53a2f6f94e9c042d1bf1d6929f8f2a2b7a%40%3Ccommits.knox.apache.org%3E
lists.apache.org / thread.html/ra1bdb9efae84794e8ffa2f8474be8290ba57830eefe9714b95da714b%40%3Cdev.pdfbox.apache.org%3E
lists.apache.org / thread.html/raebf13f53cd5d23d990712e3d11c80da9a7bae94a6284050f148ed99%40%3Ccommits.pulsar.apache.org%3E
lists.apache.org / thread.html/rb2771949c676ca984e58a5cd5ca79c2634dee1945e0406e48e0f8457%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/rb2ffe2993f4dccc48d832e1a0f1c419477781b6ea16e725ca2276dbb%40%3Cdev.knox.apache.org%3E
lists.apache.org / thread.html/rb33212dab7beccaf1ffef9b88610047c644f644c7a0ebdc44d77e381%40%3Ccommits.turbine.apache.org%3E
lists.apache.org / thread.html/rbaec90e699bc7c7bd9a053f76707a36fda48b6d558f31dc79147dbf9%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/rc49cf1547ef6cac1be4b3c92339b2cae0acacf5acaba13cfa429a872%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/rdbdd30510a7c4d0908fd22075c02b75bbc2e0d977ec22249ef3133cb%40%3Ccommits.pulsar.apache.org%3E
lists.apache.org / thread.html/rde385b8b53ed046600ef68dd6b4528dea7566aaddb02c3e702cc28bc%40%3Ccommits.creadur.apache.org%3E
lists.apache.org / thread.html/rde8e70b95c992378e8570e4df400c6008a9839eabdfb8f800a3e5af6%40%3Ccommits.pulsar.apache.org%3E
lists.apache.org / thread.html/rdef7d1380c86e7c0edf8a0f89a2a8db86fce5e363457d56b722691b4%40%3Ccommits.pulsar.apache.org%3E
lists.apache.org / thread.html/rea812d8612fdc46842a2a57248cad4b01ddfdb1e9b037c49e68fdbfb%40%3Ccommits.pulsar.apache.org%3E
lists.apache.org / thread.html/reb700e60b9642eafa4b7922bfee80796394135aa09c7a239ef9f7486%40%3Ccommits.pulsar.apache.org%3E
lists.apache.org / thread.html/rf2ec93f4ca9a97d1958eb4a31b1830f723419ce9bf2018a6e5741d5b%40%3Ccommits.pulsar.apache.org%3E
lists.apache.org / thread.html/rf6e5d894d4b03bef537c9d6641272e0197c047c0d1982b4e176d0353%40%3Cdev.knox.apache.org%3E
lists.apache.org / thread.html/rf797d119cc3f51a8d7c3c5cbe50cb4524c8487282b986edde83a9467%40%3Ccommits.pulsar.apache.org%3E
lists.debian.org / debian-lts-announce/2020/11/msg00003.html
Mailing ListThird Party Advisory
oracle.com / security-alerts/cpuapr2022.html
PatchThird Party Advisory