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CVE-2020-35678

21
FAUCET Score

CVE-2020-35678 is a redirect header injection vulnerability affecting Autobahn|Python versions prior to 20.12.3. With a CVSS score of 6.1 (Medium), it can be exploited remotely with low complexity, requiring user interaction, to achieve partial confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 20.12.3CPE matchmatch criteria
cpe:2.3:a:crossbar:autobahn:*:*:*:*:*:*:*:*

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
1.43%
Probability of exploitation in next 30 days
EPSS Percentile
70.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0143 is in the 82nd 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 (10)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: autobahnFixed in: 20.12.3
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.7 for RHEL 7Fixed in: ansible-tower-37/ansible-tower-rhel7:3.7.5-1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.8 for RHEL 7Fixed in: ansible-tower-38/ansible-runner-rhel7:1.4.7-1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.6 for RHEL 7Fixed in: ansible-tower-36/ansible-tower:3.6.7-1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.8 for RHEL 7Fixed in: ansible-tower-38/ansible-tower-rhel7:3.8.2-1
View patch
redhatno patchvia redhat_api
Product: Red Hat Ansible Automation Platform 1.2Fixed in: autobahn
redhatend of lifevia redhat_api
Product: Red Hat Quay 3Fixed in: quay
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 13 (Queens)Fixed in: python-autobahn
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 16.1Fixed in: python-autobahn

Vendor Advisories (2)

pipGHSA-gwp7-vqr5-h33hmedium

Open Redirect in autobahn

Apr 20, 2021
redhatCVE-2020-35678Moderate

python-autobahn: allows redirect header injection

Dec 18, 2020

References

autobahn.readthedocs.io / en/latest/changelog.html
Release NotesVendor Advisory
github.com / crossbario/autobahn-python
ProductThird Party Advisory
github.com / crossbario/autobahn-python/compare/v20.12.2...v20.12.3
PatchThird Party Advisory
github.com / crossbario/autobahn-python/pull/1439
PatchThird Party Advisory
pypi.org / project/autobahn/20.12.3
ProductThird Party Advisory