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CVE-2020-15167

21
FAUCET Score

CVE-2020-15167 describes a critical arbitrary code execution vulnerability in the Miller command-line utility, versions 5.9.0 and later. An attacker can exploit this by placing a malicious .mlrrc configuration file in the working directory, tricking Miller into executing arbitrary code when launched. This vulnerability carries a CVSS score of 8.6 (High), indicating a local attack vector with low complexity, requiring user interaction, but leading to high impacts on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, a fix is available in Miller version 5.9.1.

Impacted Technologies

VendorProductVersion(s)CPE
5.9.0CPE matchmatch criteria
cpe:2.3:a:johnkerl:miller:5.9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 36th percentile among its peer group of 11,616 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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

Remediation records are not available for this CVE.

References

github.com / johnkerl/miller/security/advisories/GHSA-mw2v-4q78-j2cw
ExploitThird Party Advisory