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CVE-2020-1945

21
FAUCET Score

CVE-2020-1945 describes a vulnerability in Apache Ant versions 1.1 through 1.9.14 and 1.10.0 through 1.10.7, where sensitive information can be leaked due to the use of the default temporary directory. Additionally, the fixcrlf and replaceregexp tasks can allow an attacker to inject modified source files into the build process. This vulnerability has a CVSS score of 6.3 (Medium), indicating a local attack vector with high attack complexity, requiring low privileges and no user interaction, but leading to high confidentiality and integrity impacts. Its EPSS score is very low, suggesting a minimal likelihood of exploitation. Currently, there is no evidence of active exploitation, nor are there any known public exploit codes available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are also minimal, indicating a low level of public attention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.1, <= 1.9.14CPE matchmatch criteria
cpe:2.3:a:apache:ant:*:*:*:*:*:*:*:*
>= 1.10.0, <= 1.10.7CPE matchmatch criteria
cpe:2.3:a:apache:ant:*:*:*:*:*:*:*:*
19.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.0
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.81%
Probability of exploitation in next 30 days
EPSS Percentile
76.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0181 is in the 94th percentile among its peer group of 1,296 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (19)

mavenpatch availablevia ghsa
Product: org.apache.ant:antFixed in: 1.9.15
mavenpatch availablevia ghsa
Product: org.apache.ant:antFixed in: 1.10.8
oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.5Fixed in: conmon-2:2.0.21-1.rhaos4.5.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.5Fixed in: jenkins-0:2.263.3.1612434332-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.5Fixed in: machine-config-daemon-0:4.5.0-202102050524.p0.git.2594.ff3b8c0.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.5Fixed in: openshift-0:4.5.0-202102050524.p0.git.0.9229406.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.5Fixed in: openshift-clients-0:4.5.0-202102051529.p0.git.3612.61b096a.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.5Fixed in: runc-0:1.0.0-72.rhaos4.5.giteadfc6b.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.6Fixed in: jenkins-0:2.263.3.1612434510-1.el8
View patch
redhatpatch availablevia redhat_api
Product: RHDM 7.9.0Fixed in: ant
View patch
redhatpatch availablevia redhat_api
Product: RHPAM 7.9.0Fixed in: ant
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.5Fixed in: openshift-ansible-0:4.5.0-202102031005.p0.git.0.c6839a2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat AMQ Streams 1.5.0Fixed in: ant
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: jenkins-0:2.263.3.1612433584-1.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: ant
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: ant
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: ant:1.10/ant
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-metering-hive

Vendor Advisories (2)

mavenGHSA-4p6w-m9wc-c9c9medium

Sensitive Data Exposure in Apache Ant

Sep 14, 2020
redhatCVE-2020-1945Moderate

ant: insecure temporary file vulnerability

May 13, 2020

References

lists.opensuse.org / opensuse-security-announce/2020-07/msg00053.html
Mailing ListThird Party Advisory
lists.apache.org / thread.html/r0d08a96ba9de8aa435f32944e8b2867c368a518d4ff57782e3637335%40%3Cissues.hive.apache.org%3E
lists.apache.org / thread.html/r107ea1b1a7a214bc72fe1a04207546ccef542146ae22952e1013b5cc%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/r1863b9ce4c3e4b1e5b0c671ad05545ba3eb8399616aa746af5dfe1b1%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/r1a9c992d7c8219dc15b4ad448649f0ffdaa88d76ef6a0035c49455f5%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/r1b32c76afffcf676e13ed635a3332f3e46e6aaa7722eb3fc7a28f58e%40%3Cdev.hive.apache.org%3E
lists.apache.org / thread.html/r1dc8518dc99c42ecca5ff82d0d2de64cd5d3a4fa691eb9ee0304781e%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/r2306b67f20c24942b872b0a41fbdc9330e8467388158bcd19c1094e0%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/r2704fb14ce068c64759a986f81d5b5e42ab434fa13d0f444ad52816b%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/r3cea0f3da4f6d06d7afb6c0804da8e01773a0f50a09b8d9beb2cda65%40%3Cissues.hive.apache.org%3E
lists.apache.org / thread.html/r4b2904d64affd4266cd72ccb2fc3927c1c2f22009f183095aa46bf90%40%3Cissues.hive.apache.org%3E
lists.apache.org / thread.html/r4ca33fad3fb39d130cda287d5a60727d9e706e6f2cf2339b95729490%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/r5dfc77048b1f9db26622dce91a6edf083d499397256594952fad5f35%40%3Ccommits.myfaces.apache.org%3E
lists.apache.org / thread.html/r5e1cdd79f019162f76414708b2092acad0a6703d666d72d717319305%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/r6030d34ceacd0098538425c5dac8251ffc7fd90b886942bc7ef87858%40%3Cnotifications.groovy.apache.org%3E
lists.apache.org / thread.html/r6970d196cd73863dafdbc3a7052562deedd338e3bd7d73d8171d92d6%40%3Ccommits.groovy.apache.org%3E
lists.apache.org / thread.html/r6e295d792032ec02b32be3846c21a58857fba4a077d22c5842d69ba2%40%3Ctorque-dev.db.apache.org%3E
lists.apache.org / thread.html/r6edd3e2cb79ee635630d891b54a4f1a9cd8c7f639d6ee34e75fbe830%40%3Cissues.hive.apache.org%3E
lists.apache.org / thread.html/r815f88d1044760176f30a4913b4baacd06f3eae4eb662de7388e46d8%40%3Cissues.hive.apache.org%3E
lists.apache.org / thread.html/r8e24abb7dd77cda14c6df90a377c94f0a413bbfcec90a29540ff8adf%40%3Cissues.hive.apache.org%3E
lists.apache.org / thread.html/r8e592bbfc016a5dbe2a8c0e81ff99682b9c78c453621b82c14e7b75e%40%3Cdev.ant.apache.org%3E
Mailing ListVendor Advisory
lists.apache.org / thread.html/r95dc943e47a211d29df605e14f86c280fc9fa8d828b2b53bd07673c9%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/ra12c3e23b021f259a201648005b9946acd7f618a6f32301c97047967%40%3Cannounce.apache.org%3E
lists.apache.org / thread.html/ra12c3e23b021f259a201648005b9946acd7f618a6f32301c97047967%40%3Cdev.groovy.apache.org%3E
lists.apache.org / thread.html/ra12c3e23b021f259a201648005b9946acd7f618a6f32301c97047967%40%3Cusers.groovy.apache.org%3E
lists.apache.org / thread.html/ra9dab34bf8625511f23692ad0fcee2725f782e9aad6c5cdff6cf4465%40%3Cnotifications.groovy.apache.org%3E
lists.apache.org / thread.html/raaeddc41da8f3afb1cb224876084a45f68e437a0afd9889a707e4b0c%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/rb860063819b9c0990e1fbce29d83f4554766fe5a05e3b3939736bf2b%40%3Ccommits.myfaces.apache.org%3E
lists.apache.org / thread.html/rb8ec556f176c83547b959150e2108e2ddf1d61224295941908b0a81f%40%3Cannounce.apache.org%3E
lists.apache.org / thread.html/rbfe9ba28b74f39f46ec1bbbac3bef313f35017cf3aac13841a84483a%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/rc3c8ef9724b5b1e171529b47f4b35cb7920edfb6e917fa21eb6c64ea%40%3Cdev.ant.apache.org%3E
lists.apache.org / thread.html/rc89e491b5b270fb40f1210b70554527b737c217ad2e831b643ead6bc%40%3Cuser.ant.apache.org%3E
lists.apache.org / thread.html/rce099751721c26a8166d8b6578293820832831a0b2cb8d93b8efa081%40%3Cnotifications.groovy.apache.org%3E
lists.apache.org / thread.html/rd7dda48ff835f4d0293949837d55541bfde3683bd35bd8431e324538%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/rda80ac59119558eaec452e58ddfac2ccc9211da1c65f7927682c78b1%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/rdaa9c51d5dc6560c9d2b3f3d742c768ad0705e154041e574a0fae45c%40%3Cnotifications.groovy.apache.org%3E
lists.apache.org / thread.html/re1ce84518d773a94a613d988771daf9252c9cf7375a9a477009f9735%40%3Ccommits.creadur.apache.org%3E
lists.apache.org / thread.html/rf07feaf78afc8f701e21948a06ef92565d3dff1242d710f4fbf900b2%40%3Cdev.creadur.apache.org%3E
lists.apache.org / thread.html/rfd346609527a79662c48b1da3ac500ec30f29f7ddaa3575051e81890%40%3Ccommits.creadur.apache.org%3E
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/EQBR65TINSJRN7PTPIVNYS33P535WM74
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/RRVAWTCVXJMRYKQKEXYSNBF7NLSR6OEI
security.gentoo.org / glsa/202007-34
Third Party Advisory
usn.ubuntu.com / 4380-1
Mailing ListVendor Advisory
oracle.com / security-alerts/cpuApr2021.html
PatchThird Party Advisory
oracle.com / security-alerts/cpujan2021.html
PatchThird Party Advisory
oracle.com / security-alerts/cpujan2022.html
PatchThird Party Advisory
oracle.com / security-alerts/cpujul2020.html
PatchThird Party Advisory
oracle.com / /security-alerts/cpujul2021.html
PatchThird Party Advisory
oracle.com / security-alerts/cpuoct2020.html
PatchThird Party Advisory
oracle.com / security-alerts/cpuoct2021.html
PatchThird Party Advisory
openwall.com / lists/oss-security/2020/09/30/6
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2020/12/06/1
Mailing ListThird Party Advisory