CVE-2021-24002

high

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.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1702374

https://www.mozilla.org/security/advisories/mfsa2021-15/

https://www.mozilla.org/security/advisories/mfsa2021-16/

https://www.mozilla.org/security/advisories/mfsa2021-14/

Details

Source: MITRE

Published: 2021-06-24

Updated: 2021-07-02

Type: CWE-88

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.8

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

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH