Vulnerability in Amazon Ssm Agent
CVE-2022-29527
Amazon AWS amazon-ssm-agent before 3.1.1208.0 creates a world-writable sudoers file, which allows local attackers to inject Sudo rules and escalate privileges to root. This occurs in certain situations involving a race condition.
Vulnerability class: Race Condition
EPSS: 0.003 (21.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Amazon Amazon_ssm_agent
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Release Notes)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2022-29527?
- CVE-2022-29527 is a high-severity vulnerability in Amazon Ssm Agent, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2022-04-20.
- How severe is CVE-2022-29527?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2022-29527 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.