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CVE-2023-1177

79
FAUCET Score

CVE-2023-1177 is a critical path traversal vulnerability affecting MLflow versions prior to 2.2.1, allowing attackers to access arbitrary files on the server. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While not yet in the KEV catalog, exploit intelligence indicates readily available Nuclei templates for critical local file inclusion, suggesting a high likelihood of exploitation. The vulnerability has garnered significant community attention and media coverage, highlighting its severe risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.2.1CPE matchmatch criteria
cpe:2.3:a:lfprojects:mlflow:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.3CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
69.47%
Probability of exploitation in next 30 days
EPSS Percentile
99.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2023-1177 · Mar 27, 2023
This CVE's current EPSS score of 0.6947 is in the 97th 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

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: mlflowFixed in: 2.2.1

Vendor Advisories (1)

pipGHSA-xg73-94fp-g449critical

mlflow is vulnerable to remote file access in `mlflow server` and `mlflow ui` CLIs

Mar 24, 2023

References

github.com / mlflow/mlflow/pull/7891/commits/7162a50c654792c21f3e4a160eb1a0e6a34f6e6e
Patch
huntr.dev / bounties/1fe8f21a-c438-4cba-9add-e8a5dab94e28
ExploitPatchThird Party Advisory