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HIGH

CVE-2020-28948

CVSS v3

7.8

HIGH

EPSS Score

47.5 %

exploit probability, as of 2026-10-05

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Archive_Tar through 1.4.10 allows an unserialization attack because phar: is blocked but PHAR: is not blocked.

Technical details

Published
2020-11-19

Frequently asked questions

What is CVE-2020-28948?

Archive_Tar through 1.4.10 allows an unserialization attack because phar: is blocked but PHAR: is not blocked.

Is CVE-2020-28948 actively exploited?

Active exploitation of CVE-2020-28948 has not been confirmed. Its EPSS score was 47.5% on 2026-10-05, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-28948?

CVE-2020-28948 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2020-28948 affecting your environment?

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