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Case File

CVE-2018-20835

HIGH · CVSS 7.5 EPSS 2.11% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-04-30 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2018-20835
Severity
HIGH
CVSS
7.5
EPSS
2.11%

Original Filing — NVD Description

A vulnerability was found in tar-fs before 1.16.2. An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content.