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CVE-2024-42353

19
FAUCET Score

CVE-2024-42353 affects WebOb, a library used for HTTP requests and responses, specifically in how it normalizes the HTTP Location header. The vulnerability arises from an improper URL parsing and joining mechanism that can lead to an attacker-controlled hostname being injected into the redirect URL. Rated as Medium severity (CVSS 6.1), it has a network attack vector, low attack complexity, and requires user interaction, potentially leading to information disclosure and integrity impacts. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.8.8CPE matchmatch criteria
cpe:2.3:a:pylonsproject:webob:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 44th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (31)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 17254-16823Fixed in: 1.8.8-1
microsoftpatch availablevia msrc
Product: 17656-17084Fixed in: 1.8.8-1
microsoftpatch availablevia msrc
Product: 20226-17086Fixed in: 1.8.8-1
microsoftpatch availablevia msrc
Product: 20224-17084Fixed in: 1.8.8-1
microsoftpatch availablevia msrc
Product: azl3 python-webob 1.8.7-1 on Azure Linux 3.0Fixed in: 1.8.8-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 1.8.8-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 1.8.8-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 1.8.8-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 1.8.8-1
microsoftpatch availablevia msrc
Product: cbl2 python-webob 1.8.8-1 on CBL Mariner 2.0Fixed in: 1.8.8-1
microsoftpatch availablevia msrc
Product: azl3 python-webob 1.8.8-1 on Azure Linux 3.0Fixed in: 1.8.8-1
microsoftpatch availablevia msrc
Product: cbl2 python-webob 1.8.7-1 on CBL Mariner 2.0Fixed in: 1.8.8-1
pippatch availablevia ghsa
Product: webobFixed in: 1.8.8
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.15Fixed in: python-webob-0:1.8.8-2.el9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.16Fixed in: python-webob-0:1.8.8-2.el9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 17.1 for RHEL 8Fixed in: python-webob-0:1.8.7-2.1.el8ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 17.1 for RHEL 9Fixed in: python-webob-0:1.8.7-2.1.el9ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Services on OpenShift 18.0Fixed in: python-webob-0:1.8.7-3.el9ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.14Fixed in: python-webob-0:1.8.8-2.el9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 8.1Fixed in: ceph-2:19.2.1-222.el9cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 8.1Fixed in: cephadm-ansible-1:4.1.4-1.el9cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 8.1Fixed in: oath-toolkit-0:2.6.12-1.el9cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.12Fixed in: openshift4/ose-ironic-rhel9:v4.12.0-202410011359.p0.g4d1b61e.assembly.stream.el9
View patch
redhatpatch availablevia redhat_api
Product: Ironic content for Red Hat OpenShift Container Platform 4.13Fixed in: python-webob-0:1.8.8-2.el9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 7.1Fixed in: ceph-2:18.2.1-329.el8cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 7.1Fixed in: oath-toolkit-0:2.6.12-1.el9cp
View patch
redhatno patchvia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-rhel8
redhatend of lifevia redhat_api
Product: Red Hat Openshift Container Storage 4Fixed in: python-webob
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 16.2Fixed in: python-webob
redhatend of lifevia redhat_api
Product: Red Hat Ceph Storage 6Fixed in: python-webob

Vendor Advisories (4)

microsoft2024-Oct/CVE-2024-42353

CVE-2024-42353

Oct 8, 2024
pipGHSA-mg3v-6m49-jhp3medium

WebOb's location header normalization during redirect leads to open redirect

Aug 14, 2024
redhatCVE-2024-42353Moderate

webob: WebOb's location header normalization during redirect leads to open redirect

Aug 14, 2024
microsoft2024-Aug/CVE-2024-42353Moderate

WebOb's location header normalization during redirect leads to open redirect

Aug 13, 2024

References

github.com / Pylons/webob/commit/f689bcf4f0a1f64f1735b1d5069aef5be6974b5b
Patch
github.com / Pylons/webob/security/advisories/GHSA-mg3v-6m49-jhp3
ExploitVendor Advisory