How severe is CVE-2016-2397?

CVE-2016-2397 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-2016-2397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-2397?

CVE-2016-2397 primarily affects Sonicwall Analyzer. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-2397?

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-2016-2397 published?

CVE-2016-2397 was published on 2016-02-17 and last updated on 2026-06-17.

CVE-2016-2397

CVE-2016-2397 is a critical-severity vulnerability in Sonicwall Analyzer 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Sonicwall Analyzer
Published: 2016-02-17
Last modified: 2026-06-17

Description

The cliserver implementation in Dell SonicWALL GMS, Analyzer, and UMA EM5000 7.2, 8.0, and 8.1 before Hotfix 168056 allows remote attackers to deserialize and execute arbitrary Java code via crafted XML data.

Frequently asked questions

What is CVE-2016-2397?: The cliserver implementation in Dell SonicWALL GMS, Analyzer, and UMA EM5000 7.2, 8.0, and 8.1 before Hotfix 168056 allows remote attackers to deserialize and execute arbitrary Java code via crafted XML data.
How severe is CVE-2016-2397?: CVE-2016-2397 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-2016-2397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-2397?: CVE-2016-2397 primarily affects Sonicwall Analyzer. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-2397?: 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-2016-2397 published?: CVE-2016-2397 was published on 2016-02-17 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:o:sonicwall:uma_em5000_firmware:7.2:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:uma_em5000_firmware:8.0:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:uma_em5000_firmware:8.1:*:*:*:*:*:*:*
cpe:2.3:a:sonicwall:analyzer:7.2:*:*:*:*:*:*:*
cpe:2.3:a:sonicwall:analyzer:8.0:*:*:*:*:*:*:*
cpe:2.3:a:sonicwall:analyzer:8.1:*:*:*:*:*:*:*
cpe:2.3:a:sonicwall:global_management_system:7.2:*:*:*:*:*:*:*
cpe:2.3:a:sonicwall:global_management_system:8.0:*:*:*:*:*:*:*
cpe:2.3:a:sonicwall:global_management_system:8.1:*:*:*:*:*:*:*

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