How severe is CVE-2023-39453?

CVE-2023-39453 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-2023-39453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39453?

CVE-2023-39453 affects Accusoft Imagegear. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39453?

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-2023-39453 published?

CVE-2023-39453 was published on 2023-09-25 and last updated on 2026-06-17.

CVE-2023-39453

CVE-2023-39453 is a critical-severity vulnerability in Accusoft Imagegear with a CVSS 3.x base score of 9.8. 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-416.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Accusoft Imagegear
Published: 2023-09-25
Last modified: 2026-06-17

Description

A use-after-free vulnerability exists in the tif_parse_sub_IFD functionality of Accusoft ImageGear 20.1. A specially crafted malformed file can lead to arbitrary code execution. An attacker can deliver this file to trigger this vulnerability.

Frequently asked questions

What is CVE-2023-39453?: A use-after-free vulnerability exists in the tif_parse_sub_IFD functionality of Accusoft ImageGear 20.1. A specially crafted malformed file can lead to arbitrary code execution. An attacker can deliver this file to trigger this vulnerability.
How severe is CVE-2023-39453?: CVE-2023-39453 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-2023-39453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39453?: CVE-2023-39453 affects Accusoft Imagegear. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39453?: 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-2023-39453 published?: CVE-2023-39453 was published on 2023-09-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:accusoft:imagegear:20.1:*:*:*:*:*:*:*

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