How severe is CVE-2021-27045?

CVE-2021-27045 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-27045 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27045?

CVE-2021-27045 primarily affects Autodesk Navisworks. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-27045?

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.

When was CVE-2021-27045 published?

CVE-2021-27045 was published on 2021-09-15 and last updated on 2026-06-17.

CVE-2021-27045

CVE-2021-27045 is a high-severity vulnerability in Autodesk Navisworks with a CVSS 3.x base score of 7.8. 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Autodesk Navisworks
Published: 2021-09-15
Last modified: 2026-06-17

Description

A maliciously crafted PDF file in Autodesk Navisworks 2019, 2020, 2021, 2022 can be forced to read beyond allocated boundaries when parsing the PDF file. This vulnerability can be exploited to execute arbitrary code.

Frequently asked questions

What is CVE-2021-27045?: A maliciously crafted PDF file in Autodesk Navisworks 2019, 2020, 2021, 2022 can be forced to read beyond allocated boundaries when parsing the PDF file. This vulnerability can be exploited to execute arbitrary code.
How severe is CVE-2021-27045?: CVE-2021-27045 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-27045 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27045?: CVE-2021-27045 primarily affects Autodesk Navisworks. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-27045?: 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.
When was CVE-2021-27045 published?: CVE-2021-27045 was published on 2021-09-15 and last updated on 2026-06-17.

References

https://www.autodesk.com/trust/security-advisories/adsk-sa-2021-0008

Affected products (4)

cpe:2.3:a:autodesk:navisworks:2019:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:navisworks:2020:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:navisworks:2021:*:*:*:*:*:*:*
cpe:2.3:a:autodesk:navisworks:2022:*:*:*:*:*:*:*

More vulnerabilities in Autodesk Navisworks

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CVE-2025-1659 — High (CVSS 7.8): A maliciously crafted DWFX file, when parsed through Autodesk Navisworks, can force an Out-of-Bounds Read…
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CVE-2024-12671 — High (CVSS 7.8): A maliciously crafted DWFX file, when parsed through Autodesk Navisworks, may force an Out-of-Bounds Write…
CVE-2024-12670 — High (CVSS 7.8): A maliciously crafted DWFX file, when parsed through Autodesk Navisworks, can be used to cause a Heap-based Overflow…
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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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