How severe is CVE-2023-44351?

CVE-2023-44351 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-44351 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 50% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-44351?

CVE-2023-44351 primarily affects Adobe Coldfusion. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-44351?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-44351 published?

CVE-2023-44351 was published on 2023-11-17 and last updated on 2026-06-17.

CVE-2023-44351

CVE-2023-44351 is a critical-severity vulnerability in Adobe Coldfusion with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 50% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 50% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Adobe Coldfusion
Published: 2023-11-17
Last modified: 2026-06-17

Description

Adobe ColdFusion versions 2023.5 (and earlier) and 2021.11 (and earlier) are affected by an Deserialization of Untrusted Data vulnerability that could result in Arbitrary code execution. Exploitation of this issue does not require user interaction.

Frequently asked questions

What is CVE-2023-44351?: Adobe ColdFusion versions 2023.5 (and earlier) and 2021.11 (and earlier) are affected by an Deserialization of Untrusted Data vulnerability that could result in Arbitrary code execution. Exploitation of this issue does not require user interaction.
How severe is CVE-2023-44351?: CVE-2023-44351 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-44351 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 50% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-44351?: CVE-2023-44351 primarily affects Adobe Coldfusion. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-44351?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-44351 published?: CVE-2023-44351 was published on 2023-11-17 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/coldfusion/apsb23-52.html

Affected products (19)

cpe:2.3:a:adobe:coldfusion:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2021:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2021:update1:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2021:update10:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2021:update11:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2021:update2:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2021:update3:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2021:update4:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2021:update5:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2021:update6:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2021:update7:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2021:update8:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2021:update9:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update1:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update2:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update3:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update4:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update5:*:*:*:*:*:*

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