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Known exploited vulnerability

CVE-2023-26359

criticalCVSS 3.1 9.8In CISA KEVEPSS 17%Published · Adobe

The short answer

CVE-2023-26359 affects Adobe ColdFusion and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-08-21: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

Adobe ColdFusion versions 2018 Update 15 (and earlier) and 2021 Update 5 (and earlier) are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction.

Weakness: CWE-502.

Severity

9.8 critical

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

Exploited (CISA KEV)

Yes, since Aug 21, 2023

Federal due date Sep 11, 2023

EPSS, next 30 days

17%

Higher than 97% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected products

ColdFusion. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2023-26359 being exploited?

Yes. CISA added CVE-2023-26359 to its Known Exploited Vulnerabilities catalog on 2023-08-21, with a federal remediation due date of 2023-09-11.

How do I fix CVE-2023-26359?

CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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