How severe is CVE-2020-6151?

CVE-2020-6151 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-2020-6151 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-6151?

CVE-2020-6151 affects Accusoft Imagegear. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-6151?

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-2020-6151 published?

CVE-2020-6151 was published on 2020-09-01 and last updated on 2026-06-17.

CVE-2020-6151

CVE-2020-6151 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-704.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-704
Affected product: Accusoft Imagegear
Published: 2020-09-01
Last modified: 2026-06-17

Description

A memory corruption vulnerability exists in the TIFF handle_COMPRESSION_PACKBITS functionality of Accusoft ImageGear 19.7. A specially crafted malformed file can cause a memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

Frequently asked questions

What is CVE-2020-6151?: A memory corruption vulnerability exists in the TIFF handle_COMPRESSION_PACKBITS functionality of Accusoft ImageGear 19.7. A specially crafted malformed file can cause a memory corruption. An attacker can provide a malicious file to trigger this vulnerability.
How severe is CVE-2020-6151?: CVE-2020-6151 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-2020-6151 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-6151?: CVE-2020-6151 affects Accusoft Imagegear. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-6151?: 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-2020-6151 published?: CVE-2020-6151 was published on 2020-09-01 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1095

Affected products (1)

cpe:2.3:a:accusoft:imagegear:19.7.0:*:*:*:*:*:*:*

More vulnerabilities in Accusoft Imagegear

CVE-2023-40163 — Critical (CVSS 9.8): An out-of-bounds write vulnerability exists in the allocate_buffer_for_jpeg_decoding functionality of Accusoft…
CVE-2023-39453 — Critical (CVSS 9.8): A use-after-free vulnerability exists in the tif_parse_sub_IFD functionality of Accusoft ImageGear 20.1. A specially…
CVE-2023-35002 — Critical (CVSS 9.8): A heap-based buffer overflow vulnerability exists in the pictwread functionality of Accusoft ImageGear 20.1. A…
CVE-2023-32653 — Critical (CVSS 9.8): An out-of-bounds write vulnerability exists in the dcm_pixel_data_decode functionality of Accusoft ImageGear 20.1. A…
CVE-2022-29465 — Critical (CVSS 9.8): An out-of-bounds write vulnerability exists in the PSD Header processing memory allocation functionality of Accusoft…
CVE-2021-21938 — Critical (CVSS 9.8): A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of Accusoft ImageGear 19.10.…

All CVEs affecting Accusoft Imagegear →

Other CWE-704 (Incorrect Type Conversion or Cast) vulnerabilities

CVE-2015-3120 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.302 and 14.x through 18.x before 18.0.0.203 on Windows and OS X and before…
CVE-2025-41648 — Critical (CVSS 9.8): An unauthenticated remote attacker can bypass the login to the web application of the affected devices making it…
CVE-2025-41646 — Critical (CVSS 9.8): An unauthorized remote attacker can bypass the authentication of the affected software package by misusing an incorrect…
CVE-2021-33318 — Critical (CVSS 9.8): An Input Validation Vulnerability exists in Joel Christner .NET C# packages WatsonWebserver, IpMatcher 1.0.4.1 and…
CVE-2020-25576 — Critical (CVSS 9.8): An issue was discovered in the rand_core crate before 0.4.2 for Rust. Casting of byte slices to integer slices…
CVE-2011-2337 — Critical (CVSS 9.8): A wrong type is used for a return value from strlen in WebKit in Google Chrome before Blink M12 on 64-bit platforms.

Browse all CWE-704 (Incorrect Type Conversion or Cast) vulnerabilities →