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CVE-2020-28948

HIGHCVSS 7.8/10EPSS 47.49%

Last modified

CVE-2020-28948 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Archive_Tar through 1.4.10 allows an unserialization attack because phar: is blocked but PHAR: is not blocked.. EPSS estimates a 47.49% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
47.49%

98.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PhpArchive Tar< 1.4.11
DebianDebian Linux9.0
DebianDebian Linux10.0
FedoraprojectFedora32
FedoraprojectFedora33
FedoraprojectFedora34
FedoraprojectFedora35
DrupalDrupal>= 7.0, < 7.75
DrupalDrupal>= 8.0.0, < 8.9.10
DrupalDrupal>= 8.8.0, < 8.8.12
DrupalDrupal>= 9.0.0, < 9.0.9

References

Timeline

Published
Last Modified
Status
Modified

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.
How severe is CVE-2020-28948?
CVE-2020-28948 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 47.49% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28948?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28948?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST