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CVE-2020-1945Apache Ant 1.1 to 1.9.14 and 1.10.0 to 1.10.7 uses the default temporary directory identified by the Java system property java.io.tmpdir…

Description

Apache Ant 1.1 to 1.9.14 and 1.10.0 to 1.10.7 uses the default temporary directory identified by the Java system property java.io.tmpdir for several tasks and may thus leak sensitive information. The fixcrlf and replaceregexp tasks also copy files from the temporary directory back into the build tree allowing an attacker to inject modified source files into the build process.

Timeline

  1. ID reserved

    By apache

  2. · 5 months later

    Published

  3. · 4 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2020-1945, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1Medium6.3CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS (exploitation in 30 days)
1.8% · top 22% of all CVEs (14 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.

Affected products

  • Apache Ant

    • affected Apache Ant 1.1 to 1.9.14 and 1.10.0 to 1.10.7

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References

References52

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .