CVE-2020-28949Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed.
Updated under an hour ago ()
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It affects php archive_tar and 3 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Aug 25, 2022; federal agencies had to remediate by Sep 15, 2022. Treat that date as your deadline.
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Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed.
- CVSS
- 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Added to CISA KEV Aug 25, 2022; federal remediation due Sep 15, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 84.55% (percentile 100)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.