Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-3572

22
FAUCET Score

CVE-2021-3572 describes a medium-severity vulnerability in python-pip, specifically affecting versions prior to 21.1, as well as various Oracle and PyPA products that utilize pip. This flaw allows a remote attacker to potentially install an incorrect revision from a git repository due to improper handling of Unicode separators in git references, primarily impacting data integrity. The attack requires user interaction and low privileges, but its complexity is low. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 21.1CPE matchmatch criteria
cpe:2.3:a:pypa:pip:*:*:*:*:*:*:*:*
9.3.6CPE matchmatch criteria
cpe:2.3:a:oracle:agile_plm:9.3.6:*:*:*:*:*:*:*
1.10.0CPE matchmatch criteria
cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:*
22.1.0CPE matchmatch criteria
cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:22.1.0:*:*:*:*:*:*:*
1.15.0CPE matchmatch criteria
cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.15.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.7MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.69%
Probability of exploitation in next 30 days
EPSS Percentile
74.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0169 is in the 97th percentile among its peer group of 15,224 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (28)

microsoftpatch availablevia msrc
Product: cm1 python-pip 19.2-2 on CBL Mariner 1.0Fixed in: 19.2-2
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 19.2-2
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 19.2-2
microsoftpatch availablevia msrc
Product: 16961-16820Fixed in: 19.2-2
oraclepatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: pipFixed in: 21.1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python38:3.8-8050020210811101222.e3d35cca
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python38-devel:3.8-8050020210811101222.e3d35cca
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python-pip-0:9.0.3-20.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-python38-babel-0:2.7.0-12.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-python38-python-0:3.8.11-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-python38-python-cryptography-0:2.8-5.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-python38-python-jinja2-0:2.10.3-6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-python38-python-lxml-0:4.4.1-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-python38-python-pip-0:19.3.1-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-python38-python-urllib3-0:1.25.7-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python39-devel:3.9-8050020210811100211.d428a79b
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-python38-python-0:3.8.11-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-python38-python-cryptography-0:2.8-5.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-python38-python-jinja2-0:2.10.3-6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-python38-python-lxml-0:4.4.1-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-python38-python-pip-0:19.3.1-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-python38-python-urllib3-0:1.25.7-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-python38-babel-0:2.7.0-12.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python39:3.9-8050020210811100211.d428a79b
View patch
redhatpatch availablevia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: inkscape:flatpak/python2-pip
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: python-pip

Vendor Advisories (4)

microsoft2022-Apr/CVE-2021-3572

CVE-2021-3572

Apr 12, 2022
pipGHSA-5xp3-jfq3-5q8xhigh

Improper Input Validation in pip

Nov 15, 2021
microsoft2021-Nov/CVE-2021-3572Moderate

A flaw was found in python-pip in the way it handled Unicode separators in git references. A remote attacker could possibly use this issue to install a different revision on a repository. The highest threat from this vulnerability is to data integrity. This is fixed in python-pip version 21.1.

Nov 9, 2021
redhatCVE-2021-3572Low

python-pip: Incorrect handling of unicode separators in git references

Apr 24, 2021

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
security.netapp.com / advisory/ntap-20240621-0006
oracle.com / security-alerts/cpuapr2022.html
PatchThird Party Advisory
oracle.com / security-alerts/cpujul2022.html
PatchThird Party Advisory