HOMEVULNERABILITIESCVE-2022-0391
HIGH

CVE-2022-0391

CWE-74Published: February 9, 2022· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

A flaw was found in Python, specifically within the urllib.parse module. This module helps break Uniform Resource Locator (URL) strings into components. The issue involves how the urlparse method does not sanitize input and allows characters like '\r' and '\n' in the URL path. This flaw allows an attacker to input a crafted URL, leading to injection attacks. This flaw affects Python versions prior to 3.10.0b1, 3.9.5, 3.8.11, 3.7.11 and 3.6.14.

NVD Source

Technical Analysis

CVE-2022-0391 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

Fedora1 product(s)
fedora
netapp6 product(s)
active iq unified managerhcimanagement services for element softwareontap select deploy administration utilitysolidfire\, enterprise sds \& hci storage nodehci compute node
Oracle2 product(s)
http serverzfs storage appliance kit
Python1 product(s)
python
Source: NVD CPE · 13 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (16)

Quick Facts

CVE IDCVE-2022-0391
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-74
CISA KEVNo
Affected4 vendor(s)
PublishedFeb 9, 2022

Related CVEs (CWE-74)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-0391 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.