Path Traversal in Squareup Retrofit

CVE-2018-1000850

Square Retrofit version versions from (including) 2.0 and 2.5.0 (excluding) contains a Directory Traversal vulnerability in RequestBuilder class, method addPathParameter that can result in By manipulating the URL an attacker could add or delete resources otherwise unavailable to her.. This attack appear to be exploitable via An attacker should have access to an encoded path parameter on POST, PUT or DELETE request.. This vulnerability appears to have been fixed in 2.5.0 and later.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.040 (89.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-1000850?
CVE-2018-1000850 is a high-severity vulnerability in Squareup Retrofit, classified under Path Traversal. CVSS score: 7.5/10. Published 2018-12-20.
How severe is CVE-2018-1000850?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-1000850 known to be exploited?
21 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.