CVE-2021-24002Injection in Mozilla Firefox

Severity
8.8HIGHNVD
OSV7.4
EPSS
0.5%
top 36.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJun 24
Latest updateMay 24

Description

When a user clicked on an FTP URL containing encoded newline characters (%0A and %0D), the newlines would have been interpreted as such and allowed arbitrary commands to be sent to the FTP server. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages9 packages

CVEListV5mozilla/firefoxunspecified88
NVDmozilla/firefox< 88.0
CVEListV5mozilla/firefox_esrunspecified78.10
NVDmozilla/firefox_esr< 78.10
Ubuntumozilla/firefox< 88.0+build2-0ubuntu0.16.04.1+2

🔴Vulnerability Details

6
GHSA
GHSA-jvwq-53jx-c5f6: When a user clicked on an FTP URL containing encoded newline characters (%0A and %0D), the newlines would have been interpreted as such and allowed ar2022-05-24
OSV
thunderbird vulnerabilities2021-06-25
CVEList
CVE-2021-24002: When a user clicked on an FTP URL containing encoded newline characters (%0A and %0D), the newlines would have been interpreted as such and allowed ar2021-06-24
OSV
CVE-2021-24002: When a user clicked on an FTP URL containing encoded newline characters (%0A and %0D), the newlines would have been interpreted as such and allowed ar2021-06-24
OSV
thunderbird vulnerabilities2021-06-22

📋Vendor Advisories

8
Ubuntu
Thunderbird vulnerabilities2021-06-25
Ubuntu
Thunderbird vulnerabilities2021-06-22
Ubuntu
Firefox vulnerabilities2021-04-26
Red Hat
Mozilla: Arbitrary FTP command execution on FTP servers using an encoded URL2021-04-19
Debian
CVE-2021-24002: firefox - When a user clicked on an FTP URL containing encoded newline characters (%0A and...2021
CVE-2021-24002 — Injection in Mozilla Firefox | cvebase