Is CVE-2024-8900 in the CISA KEV catalog?

No. CVE-2024-8900 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-8900?

CVE-2024-8900 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2024-8900?

CVE-2024-8900 has an EPSS score of 0.43% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-8900?

Upgrade firefox on debian unstable to 129.0-1 or later. Fixes are available for 11 affected products.

CVE & CISA-KEV Catalog

CVE-2024-8900

HIGH

7.5

CVSS v3

NVD

Description

An attacker could write data to the user's clipboard, bypassing the user prompt, during a certain sequence of navigational events. This vulnerability affects Firefox < 129, Firefox ESR < 128.3, and Thunderbird < 128.3.

CWE-732Incorrect Permission Assignment for Critical Resource

How to fix

Remediation Available

firefoxDebian

Fixed in:129.0-1CVE-2024-8900

firefoxRocky

Fixed in:0:128.3.0-1.el7_9RHSA-2024:7702

Fixed in:0:128.3.0-1.el8_2RHSA-2024:7646

Fixed in:0:128.3.0-1.el8_4RHSA-2024:7703

Fixed in:0:128.3.0-1.el8_8RHSA-2024:7842

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_8RHSA-2024:7842

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_8RHSA-2024:7842

Fixed in:0:128.3.0-1.el8_2RHSA-2024:7646

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_4RHSA-2024:7703

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_6RHSA-2024:7704

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

firefoxRed Hat / RHEL

Fixed in:0:128.3.0-1.el7_9RHSA-2024:7702

Fixed in:0:128.3.0-1.el8_8RHSA-2024:7842

Fixed in:0:128.3.0-1.el8_2RHSA-2024:7646

Fixed in:0:128.3.0-1.el8_8RHSA-2024:7842

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_6RHSA-2024:7704

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_6RHSA-2024:7704

Fixed in:0:128.3.0-1.el8_2RHSA-2024:7646

Fixed in:0:128.3.0-1.el8_6RHSA-2024:7704

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_4RHSA-2024:7703

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_4RHSA-2024:7703

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

firefox-debuginfoRed Hat / RHEL

Fixed in:0:128.3.0-1.el7_9RHSA-2024:7702

Fixed in:0:128.3.0-1.el8_4RHSA-2024:7703

Fixed in:0:128.3.0-1.el8_6RHSA-2024:7704

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_6RHSA-2024:7704

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_2RHSA-2024:7646

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_8RHSA-2024:7842

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_8RHSA-2024:7842

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

firefox-debuginfoRocky

Fixed in:0:128.3.0-1.el7_9RHSA-2024:7702

Fixed in:0:128.3.0-1.el8_8RHSA-2024:7842

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_4RHSA-2024:7703

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_4RHSA-2024:7703

Fixed in:0:128.3.0-1.el8_2RHSA-2024:7646

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_6RHSA-2024:7704

Fixed in:0:128.3.0-1.el8_8RHSA-2024:7842

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

firefox-debugsourceRocky

Fixed in:0:128.3.0-1.el8_8RHSA-2024:7842

Fixed in:0:128.3.0-1.el8_2RHSA-2024:7646

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_6RHSA-2024:7704

Fixed in:0:128.3.0-1.el8_8RHSA-2024:7842

Fixed in:0:128.3.0-1.el8_4RHSA-2024:7703

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

firefox-debugsourceRed Hat / RHEL

Fixed in:0:128.3.0-1.el8_2RHSA-2024:7646

Fixed in:0:128.3.0-1.el8_10RHSA-2024:7700

Fixed in:0:128.3.0-1.el8_6RHSA-2024:7704

Fixed in:0:128.3.0-1.el8_8RHSA-2024:7842

Fixed in:0:128.3.0-1.el8_4RHSA-2024:7703

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

Fixed in:0:128.3.0-1.el9_0RHSA-2024:7621

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

firefox-x11Red Hat / RHEL

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

firefox-x11Rocky

Fixed in:0:128.3.0-1.el9_2RHSA-2024:7622

DeveloperEditionWindows application

Affected:129.0Fixed in:129.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:129.0Fixed in:129.0Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.43%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Other references3

Related Vulnerabilities

Other CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2011-3923	Critical	9.8	89%	-	Fix
CVE-2018-15379	Critical	9.8	86%	-	-
CVE-2018-1000207	High	7.2	64%	-	-
CVE-2023-32986	High	8.8	63%	-	-
CVE-2021-44521	Critical	9.1	55%	-	Fix
CVE-2018-13374	Medium	4.3	38%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-03-18.