How severe is CVE-2016-1999?

CVE-2016-1999 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-2016-1999 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-2016-1999?

CVE-2016-1999 primarily affects Hp Release Control. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1999?

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-2016-1999 published?

CVE-2016-1999 was published on 2016-05-30 and last updated on 2026-06-17.

CVE-2016-1999

CVE-2016-1999 is a critical-severity vulnerability in Hp Release Control 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-284.

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-284
Affected product: Hp Release Control
Published: 2016-05-30
Last modified: 2026-06-17

Description

The server in HP Release Control 9.13, 9.20, and 9.21 allows remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the Apache Commons Collections library.

Frequently asked questions

What is CVE-2016-1999?: The server in HP Release Control 9.13, 9.20, and 9.21 allows remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the Apache Commons Collections library.
How severe is CVE-2016-1999?: CVE-2016-1999 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-2016-1999 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-2016-1999?: CVE-2016-1999 primarily affects Hp Release Control. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1999?: 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-2016-1999 published?: CVE-2016-1999 was published on 2016-05-30 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:hp:release_control:9.13:*:*:*:*:*:*:*
cpe:2.3:a:hp:release_control:9.20:*:*:*:*:*:*:*
cpe:2.3:a:hp:release_control:9.21:*:*:*:*:*:*:*

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