RCE in Amazon AWS Lambda
CVE-2019-10777
In aws-lambda versions prior to version 1.0.5, the "config.FunctioName" is used to construct the argument used within the "exec" function without any sanitization. It is possible for a user to inject arbitrary commands to the "zipCmd" used within "config.FunctionName".
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Amazon AWS Lambda
- Aws-Lambda — versions All versions prior to version 1.0.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- snyk.io/vuln/SNYK-JS-AWSLAMBDA-540839 (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-10777?
- CVE-2019-10777 is a critical-severity vulnerability in Amazon AWS Lambda, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-01-08.
- How severe is CVE-2019-10777?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-10777 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.