CVE-2019-10777

Name: CVE-2019-10777
Creator: NVD / NIST
Published: 2020-01-08T17:15:10.977+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.64%

Last modified Jun 17, 2026

CVE-2019-10777 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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".. EPSS estimates a 1.64% chance of exploitation in the next 30 days.

Description

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".

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.64%

73.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Amazon	Aws Lambda	< 1.0.5

References

https://snyk.io/vuln/SNYK-JS-AWSLAMBDA-540839Third Party Advisory
https://snyk.io/vuln/SNYK-JS-AWSLAMBDA-540839Third Party Advisory

Timeline

Published: Jan 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-10777?

How severe is CVE-2019-10777?

CVE-2019-10777 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.

How do I fix CVE-2019-10777?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-10777?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST