CVE-2023-1177: lfprojects mlflow Path Traversal: '\..\filename'
CVSS: 9.8v3.1CriticalModified
AliasesGHSA-xg73-94fp-g449BIT-mlflow-2023-1177PYSEC-2023-29
Published 24-03-2023Last modified 19-02-2025
Vulnerability summary
CVE-2023-1177 is a critical (CVSS 9.8) Path Traversal: '\..\filename' vulnerability in lfprojects mlflow. EPSS estimates a 69.68% chance of exploitation in the next 30 days, higher than 99.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
69.68%
0%100%
Critical · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 24-03-2023PublishedVulnerability first disclosed.
- 19-02-2025Last modifiedVulnerability information updated.
Description
Path Traversal: '\..\filename' in GitHub repository mlflow/mlflow prior to 2.2.1.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.3Preferred score · OSV · Pypi (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesSingle source
Critical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources3 sources · 9.3–9.8
- CVE.orgCNA9.3CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:NDiffers
- OSV · PypiEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
69.68%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
0.00 pp
From 69.68% on 20-09-2026
20-09-202620-10-2026
EPSS score69.68%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (huntr.dev)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-29Path Traversal: '\..\filename'The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '\..\filename' (leading backslash dot dot) sequences that can resolve to a location that is outside of that directory.
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
Affected systems
Lfprojects1 product
- mlflow< 2.2.1
Mlflow1 product
- mlflow/mlflow≥ unspecified, < 2.2.1
PyPI1 product
- mlflow< 7162a50c654792c21f3e4a160eb1a0e6a34f6e6e | < 2.2.1
3 vendors · 3 products
References
8 links- huntr.dev/bounties/1fe8f21a-c438-4cba-9add-e8a5dab94e28WEBEVIDENCEFIXExploitPatchThird Party Advisory
- github.com/mlflow/mlflowPACKAGE