Is CVE-2023-23599 in the CISA KEV catalog?

No. CVE-2023-23599 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-23599?

CVE-2023-23599 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-23599?

CVE-2023-23599 has an EPSS score of 0.60% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-23599?

Upgrade firefox on ubuntu 18.04 to 109.0+build2-0ubuntu0.18.04.1 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2023-23599

MEDIUM

6.5

CVSS v3

NVD

Description

When copying a network request from the developer tools panel as a curl command the output was not being properly sanitized and could allow arbitrary commands to be hidden within. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.

CWE-116

How to fix

Remediation Available

firefoxUbuntu

Fixed in:109.0+build2-0ubuntu0.18.04.1USN-5816-1

Fixed in:109.0+build2-0ubuntu0.20.04.1USN-5816-1

thunderbirdUbuntu

Fixed in:1:102.7.1+build2-0ubuntu0.18.04.1USN-5824-1

Fixed in:1:102.7.1+build2-0ubuntu0.20.04.1USN-5824-1

Fixed in:1:102.7.1+build2-0ubuntu0.22.04.1USN-5824-1

Fixed in:1:102.7.1+build2-0ubuntu0.22.10.1USN-5824-1

DeveloperEditionWindows application

Affected:109.0Fixed in:109.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:109.0Fixed in:109.0Mozilla

Mozilla Firefox ESR (en-US)Windows application

Affected:102.7Fixed in:102.7Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:102.7Fixed in:102.7Mozilla

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.60%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Vendor Advisory4

Related Vulnerabilities

Other CWE-116 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-38475	Critical	9.1	100%	KEV	Fix
CVE-2022-36446	Critical	9.8	96%	-	Fix
CVE-2021-31806	Medium	6.5	96%	-	Fix
CVE-2022-30781	High	7.5	88%	-	Fix
CVE-2022-36099	Critical	9.9	76%	-	Fix
CVE-2022-36100	Critical	9.9	74%	-	Fix

Embed a live status badge for CVE-2023-23599

Markdown

[![CVE-2023-23599](https://tridentstack.com/cve/badge/CVE-2023-23599.svg)](https://tridentstack.com/cve/CVE-2023-23599)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-23599"><img src="https://tridentstack.com/cve/badge/CVE-2023-23599.svg" alt="CVE-2023-23599"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2025-12-18.