CVE-2019-9948

Python vulnerability

CVSS

9.1

EPSS

12.3%

EPSS pct

96th

Exploited

No known

urllib in Python 2.x through 2.7.16 supports the local_file: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a urllib.urlopen('local_file:///etc/passwd') call.

Affected vendor

Python

Affected product

Python

CVSS vector

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

Weakness type (CWE)

CWE-22 — Path Traversal

Published

2019-03-23

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 confidentiality, high impact to integrity.

Its EPSS score of 12.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2019-9948

Confirm whether Python Python is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-9948.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-9948

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