CVE-2023-27530: rack before 2.0.9.3 (exclusive), from 2.1.0 (inclusive), before 2.1.4.3 (exclusive), from 2.2.0 (inclusive), before…

Affected technology

rack · before 2.0.9.3 (exclusive)
rack

rack · from 2.1.0 (inclusive), before 2.1.4.3 (exclusive)
rack

rack · from 2.2.0 (inclusive), before 2.2.6.3 (exclusive)
rack

rack · from 3.0.0 (inclusive), before 3.0.4.2 (exclusive)
rack

debian linux · 10.0
debian

debian linux · 11.0
debian

https://github.com/rack/rack · 3.0.4.2, 2.2.6.3, 2.1.4.3, 2.0.9.3
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

NVD’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.