CVE-2021-21371 is a critical vulnerability affecting Tenable for Jira Cloud (tenable-jira-cloud) versions prior to 1.1.21. It allows for arbitrary command execution due to the insecure use of yaml.load(), enabling an attacker with local access to run arbitrary code via a specially crafted YAML configuration file. With a CVSS score of 8.6 (High), this vulnerability presents a significant risk, allowing for complete compromise of confidentiality, integrity, and availability if exploited. While no active exploitation, public exploit code, or significant community discussion has been observed, the vulnerability is patched in version 1.1.21 by using yaml.safe_load().
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.1.21CPE matchmatch criteria | cpe:2.3:a:tenable:jira_cloud:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.