CVE-2021-28861 — HIGH (7.4)

Q: How severe is CVE-2021-28861?

CVE-2021-28861 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-28861?

Check the references section above for vendor advisories and patch information. Affected products include: Python Python, Fedoraproject Fedora.

Vulnerability Description

Python 3.x through 3.10 has an open redirection vulnerability in lib/http/server.py due to no protection against multiple (/) at the beginning of URI path which may leads to information disclosure. NOTE: this is disputed by a third party because the http.server.html documentation page states "Warning: http.server is not recommended for production. It only implements basic security checks."

CVSS Score

7.4

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Python	Python	>= 3.0.0, < 3.7.14
Fedoraproject	Fedora	35

Related Weaknesses (CWE)

CWE-601

References

FAQ

What is CVE-2021-28861?

CVE-2021-28861 is a vulnerability with a CVSS score of 7.4 (HIGH). Python 3.x through 3.10 has an open redirection vulnerability in lib/http/server.py due to no protection against multiple (/) at the beginning of URI path which may leads to information disclosure. NO...

How severe is CVE-2021-28861?

CVE-2021-28861 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-28861?

Check the references section above for vendor advisories and patch information. Affected products include: Python Python, Fedoraproject Fedora.