CVE-2020-4756 is a denial-of-service vulnerability affecting IBM Spectrum Scale versions 4.2.0.0 through 4.2.3.23 and 5.0.0.0 through 5.0.5.2, as well as IBM Elastic Storage System versions 6.0.0 through 6.0.1.0. A local attacker can exploit this by invoking specific ioctls with invalid arguments, leading to a kernel crash. With a CVSS score of 5.5 (Medium), this vulnerability has a low attack complexity and requires local access, resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.0.0.0, <= 6.0.1.0CPE matchmatch criteria | cpe:2.3:a:ibm:elastic_storage_server:*:*:*:*:*:*:*:* | ||
> 4.2.0.0, <= 4.2.3.23CPE matchmatch criteria | cpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:* | ||
> 5.0.0.0, <= 5.0.5.2CPE matchmatch criteria | cpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.