CVE-2017-16380

CVE-2017-16380 is a high-severity vulnerability in Adobe Acrobat with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

An issue was discovered in Adobe Acrobat and Reader: 2017.012.20098 and earlier versions, 2017.011.30066 and earlier versions, 2015.006.30355 and earlier versions, and 11.0.22 and earlier versions. This vulnerability is an instance of a security bypass vulnerability for a certain file-type extension. Acrobat maintains both a blacklist and whitelist (the user can specify an allowed attachment). However, any file extensions that are neither on the blacklist nor the whitelist can still be opened after displaying a warning prompt.

Frequently asked questions

What is CVE-2017-16380?
An issue was discovered in Adobe Acrobat and Reader: 2017.012.20098 and earlier versions, 2017.011.30066 and earlier versions, 2015.006.30355 and earlier versions, and 11.0.22 and earlier versions. This vulnerability is an instance of a security bypass vulnerability for a certain file-type extension. Acrobat maintains both a blacklist and whitelist (the user can specify an allowed attachment). However, any file extensions that are neither on the blacklist nor the whitelist can still be opened after displaying a warning prompt.
How severe is CVE-2017-16380?
CVE-2017-16380 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-16380 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16380?
CVE-2017-16380 primarily affects Adobe Acrobat. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-16380?
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-2017-16380 published?
CVE-2017-16380 was published on 2017-12-09 and last updated on 2026-06-17.

References

Affected products (6)

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