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CVE-2019-10777

28
FAUCET Score

CVE-2019-10777 is a critical command injection vulnerability affecting aws-lambda versions prior to 1.0.5. An attacker can inject arbitrary commands into the "zipCmd" variable via the "config.FunctionName" parameter due to a lack of sanitization. With a CVSS score of 9.8, this vulnerability allows for complete compromise of confidentiality, integrity, and availability with low attack complexity and no user interaction required. While no public exploits or active exploitation have been observed, and community discussion is minimal, the high FAUCET Risk Score indicates its potential severity.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.5CPE matchmatch criteria
cpe:2.3:a:amazon:aws_lambda:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.64%
Probability of exploitation in next 30 days
EPSS Percentile
74.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0164 is in the 61st percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

npmpatch availablevia ghsa
Product: aws-lambdaFixed in: 1.0.5

Vendor Advisories (1)

npmGHSA-934x-72xh-5hrgcritical

OS command injection in aws-lambda

Feb 14, 2020

References

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