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CVE-2017-16618

33
FAUCET Score

CVE-2017-16618 is a critical vulnerability affecting OwlMixin before version 2.0.0a12, where improper YAML loading allows for arbitrary Python command execution. This flaw, rated 9.8 CVSS, enables unauthenticated attackers to remotely execute code with high impact on confidentiality, integrity, and availability. While no public exploit code or active exploitation is reported, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.0CPE matchmatch criteria
cpe:2.3:a:owlmixin_project:owlmixin:*:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:owlmixin_project:owlmixin:2.0.0:alpha1:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:owlmixin_project:owlmixin:2.0.0:alpha10:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:owlmixin_project:owlmixin:2.0.0:alpha11:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:owlmixin_project:owlmixin:2.0.0:alpha2:*:*:*:*:*:*

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
4.47%
Probability of exploitation in next 30 days
EPSS Percentile
90.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0447 is in the 84th percentile among its peer group of 36,833 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: owlmixinFixed in: 2.0.0

Vendor Advisories (1)

pipGHSA-ccmq-qvcp-5mrmcritical

Unsafe deserialization in owlmixin

Jul 13, 2018

References

github.com / tadashi-aikawa/owlmixin/commit/5d0575303f6df869a515ced4285f24ba721e0d4e
PatchThird Party Advisory
github.com / tadashi-aikawa/owlmixin/issues/12
ExploitPatchThird Party Advisory
joel-malwarebenchmark.github.io / blog/2017/11/08/cve-2017-16618-convert-through-owlmixin
ExploitThird Party Advisory