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CVE-2017-16616

30
FAUCET Score

CVE-2017-16616 is a critical vulnerability affecting PyAnyAPI before version 0.6.1, where improper YAML parsing allows for arbitrary Python command execution. This flaw stems from using 'load' instead of 'safe_load' in the YAMLParser method, enabling an attacker to inject and execute malicious Python code. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While no active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB) has been identified, and community discussion is minimal, the high CVSS and FAUCET Risk Score of 80/100 underscore its significant potential impact.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.6.1CPE matchmatch criteria
cpe:2.3:a:pyanyapi_project:pyanyapi:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
3.62%
Probability of exploitation in next 30 days
EPSS Percentile
88.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0362 is in the 81st percentile among its peer group of 36,821 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)

pippatch availablevia ghsa
Product: pyanyapiFixed in: 0.6.1

Vendor Advisories (1)

pipGHSA-vg8g-jpm9-jh8rcritical

Unsafe pyyaml load usage in PyAnyAPI

May 13, 2022

References

github.com / Stranger6667/pyanyapi/issues/41
Issue Tracking
github.com / Stranger6667/pyanyapi/releases/tag/0.6.1
Release Notes
joel-malwarebenchmark.github.io / blog/2017/11/08/cve-2017-16616-yamlparser-in-pyanyapi
Third Party Advisory
pypi.python.org / pypi/pyanyapi/0.6.1
Product