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CVE-2021-24002

Date: June 24, 2021

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.

Severity Score

Related Resources (10)

https://security-tracker.debian.org/tracker/CVE-2021-24002
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-24002
https://security.alpinelinux.org/vuln/CVE-2021-24002
https://nvd.nist.gov/vuln/detail/CVE-2021-24002
https://www.mozilla.org/security/advisories/mfsa2021-15/
https://www.mozilla.org/security/advisories/mfsa2021-14/
https://www.mozilla.org/security/advisories/mfsa2021-16/
https://access.redhat.com/security/cve/CVE-2021-24002
https://bugzilla.mozilla.org/show_bug.cgi?id=1702374
https://www.mend.io/vulnerability-database/CVE-2021-24002

Severity Score

Weakness Type (CWE)

Argument Injection or Modification

CWE-88

Injection

CWE-74

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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