CVE-2021-32836 is a pre-authentication unsafe deserialization vulnerability affecting ZStack IaaS software versions prior to 3.10.12 and 4.1.6. This allows an attacker to control the deserialized class and data, potentially leading to Denial of Service or, with a suitable gadget, pre-authentication Remote Code Execution. Rated with a CVSS score of 8.1 (High), the vulnerability is network-exploitable with high impact on confidentiality, integrity, and availability, but has high attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.10.12CPE matchmatch criteria | cpe:2.3:a:zstack:zstack:*:*:*:*:*:*:*:* | ||
>= 4.1.0, < 4.1.6CPE matchmatch criteria | cpe:2.3:a:zstack:zstack:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 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.