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CVE-2020-8162

HIGHCVSS 7.5/10EPSS 3.06%

Last modified

CVE-2020-8162 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A client side enforcement of server side security vulnerability exists in rails < 5.2.4.2 and rails < 6.0.3.1 ActiveStorage's S3 adapter that allows the Content-Length of a direct file upload to be modified by an end user bypassing upload limits.. EPSS estimates a 3.06% chance of exploitation in the next 30 days.

Description

A client side enforcement of server side security vulnerability exists in rails < 5.2.4.2 and rails < 6.0.3.1 ActiveStorage's S3 adapter that allows the Content-Length of a direct file upload to be modified by an end user bypassing upload limits.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
3.06%

85.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
RubyonrailsRails< 5.2.4.2
RubyonrailsRails>= 6.0.0, < 6.0.3.1
DebianDebian Linux10.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-8162?
A client side enforcement of server side security vulnerability exists in rails < 5.2.4.2 and rails < 6.0.3.1 ActiveStorage's S3 adapter that allows the Content-Length of a direct file upload to be modified by an end user bypassing upload limits.
How severe is CVE-2020-8162?
CVE-2020-8162 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.06% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8162?
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-2020-8162?

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

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Source: NVD / NIST