How severe is CVE-2017-11283?

CVE-2017-11283 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-2017-11283 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-11283?

CVE-2017-11283 primarily affects Adobe Coldfusion. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-11283?

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-2017-11283 published?

CVE-2017-11283 was published on 2017-12-01 and last updated on 2026-06-17.

CVE-2017-11283

CVE-2017-11283 is a critical-severity vulnerability in Adobe Coldfusion with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 43% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 43% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Adobe Coldfusion
Published: 2017-12-01
Last modified: 2026-06-17

Description

Adobe ColdFusion has an Untrusted Data Deserialization vulnerability. This affects Update 4 and earlier versions for ColdFusion 2016, and Update 12 and earlier versions for ColdFusion 11.

Frequently asked questions

What is CVE-2017-11283?: Adobe ColdFusion has an Untrusted Data Deserialization vulnerability. This affects Update 4 and earlier versions for ColdFusion 2016, and Update 12 and earlier versions for ColdFusion 11.
How severe is CVE-2017-11283?: CVE-2017-11283 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-2017-11283 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11283?: CVE-2017-11283 primarily affects Adobe Coldfusion. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-11283?: 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-2017-11283 published?: CVE-2017-11283 was published on 2017-12-01 and last updated on 2026-06-17.

References

Affected products (18)

cpe:2.3:a:adobe:coldfusion:11.0:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update1:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update10:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update11:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update12:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update2:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update3:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update4:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update5:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update6:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update7:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update8:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update9:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update1:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update2:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update3:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update4:*:*:*:*:*:*

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