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CVE-2021-23998

Published: Jun 24, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-345
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.6%
Top 58.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS page. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-345

Affected Products

Firefox ESRMozilla
Desktop App
Consumer Software / browser
ThunderbirdMozilla
On-premDesktop App
Communications / email-server-client
FirefoxMozilla
On-premDesktop App
Consumer Software / browser
firefoxmozilla
On-premDesktop App
Consumer Software / browser
firefox esrmozilla
Desktop App
Consumer Software / browser
mozillaoss-projectUSConsumer Softwareaka mozilla corp.
and 27 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://www.mozilla.org/security/advisories/mfsa2021-14/
mozilla.org
https://www.mozilla.org/security/advisories/mfsa2021-16/
mozilla.org
https://www.mozilla.org/security/advisories/mfsa2021-15/
mozilla.org
and 14 more references View all →

Timeline

Published
Jun 24, 2021
Last Updated
Nov 21, 2024

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