CVE-2018-1000850

Retrofit vulnerability

CVSS

7.5

EPSS

4.0%

EPSS pct

90th

Exploited

No known

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.

Affected vendor

Squareup

Affected product

Retrofit

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness type (CWE)

CWE-22 — Path Traversal

Published

2018-12-20

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 4.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2018-1000850

Confirm whether Squareup Retrofit is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-1000850.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-1000850

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-1000850 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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