CVE-2021-28966

HIGHCVSS 7.5/10EPSS 58.04%

Last modified

CVE-2021-28966 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir.. EPSS estimates a 58.04% chance of exploitation in the next 30 days.

Description

In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir.

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
58.04%

99.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Ruby-LangRuby< 2.7.3
Ruby-LangRuby>= 3.0.0, < 3.0.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-28966?
In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir.
How severe is CVE-2021-28966?
CVE-2021-28966 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 58.04% probability of exploitation in the next 30 days.
How do I fix CVE-2021-28966?
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-2021-28966?

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

Scan your code now

Source: NVD / NIST