How severe is CVE-2024-27323?

CVE-2024-27323 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-27323 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27323?

CVE-2024-27323 primarily affects Pdf-xchange Pdf-tools. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-27323?

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

Does CVE-2024-27323 have an EU (EUVD) identifier?

Yes. CVE-2024-27323 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24533.

When was CVE-2024-27323 published?

CVE-2024-27323 was published on 2024-04-01 and last updated on 2026-06-17.

CVE-2024-27323

CVE-2024-27323 is a high-severity vulnerability in Pdf-xchange Pdf-tools with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-24533
Weakness: CWE-295
Affected product: Pdf-xchange Pdf-tools
Published: 2024-04-01
Last modified: 2026-06-17

Description

PDF-XChange Editor Updater Improper Certificate Validation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is not required to exploit this vulnerability. The specific flaw exists within the update functionality. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-22224.

Frequently asked questions

What is CVE-2024-27323?: PDF-XChange Editor Updater Improper Certificate Validation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is not required to exploit this vulnerability. The specific flaw exists within the update functionality. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-22224.
How severe is CVE-2024-27323?: CVE-2024-27323 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-27323 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27323?: CVE-2024-27323 primarily affects Pdf-xchange Pdf-tools. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-27323?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-27323 have an EU (EUVD) identifier?: Yes. CVE-2024-27323 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24533.
When was CVE-2024-27323 published?: CVE-2024-27323 was published on 2024-04-01 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-24-198/

Affected products (2)

cpe:2.3:a:pdf-xchange:pdf-tools:10.1.1.381:*:*:*:*:*:*:*
cpe:2.3:a:pdf-xchange:pdf-xchange_editor:10.1.1.381:*:*:*:*:*:*:*

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