SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

HIGH 7.5EPSS 57.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 57.1%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
57.13% probability · 99th percentile
CISA KEV
Not listed
Weakness
CWE-22
Affected
ruby-lang/ruby
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.