What is CVE-2021-41733?

CVE-2021-41733 is a medium-severity vulnerability in Oppia, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-11-08.

How severe is CVE-2021-41733?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-41733 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Open Redirect in Oppia

CVE-2021-41733

Oppia 3.1.4 does not verify that certain URLs are valid before navigating to them.

Vulnerability class: Open Redirect

EPSS: 0.007 (50.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Oppia — versions 3.1.4
N/a — versions n/a

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

Public proof-of-concept exploits

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-41733?: CVE-2021-41733 is a medium-severity vulnerability in Oppia, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-11-08.
How severe is CVE-2021-41733?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-41733 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.