How severe is CVE-2016-4435?

CVE-2016-4435 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-4435 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4435?

CVE-2016-4435 primarily affects Pivotal Bosh Stemcell. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-4435?

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-2016-4435 published?

CVE-2016-4435 was published on 2017-05-25 and last updated on 2026-06-17.

CVE-2016-4435

CVE-2016-4435 is a critical-severity vulnerability in Pivotal Bosh Stemcell with a CVSS 3.x base score of 9.0. 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-264.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
CVSS v2: 6.8
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Pivotal Bosh Stemcell
Published: 2017-05-25
Last modified: 2026-06-17

Description

An endpoint of the Agent running on the BOSH Director VM with stemcell versions prior to 3232.6 and 3146.13 may allow unauthenticated clients to read or write blobs or cause a denial of service attack on the Director VM. This vulnerability requires that the unauthenticated clients guess or find a URL matching an existing GUID.

Frequently asked questions

What is CVE-2016-4435?: An endpoint of the Agent running on the BOSH Director VM with stemcell versions prior to 3232.6 and 3146.13 may allow unauthenticated clients to read or write blobs or cause a denial of service attack on the Director VM. This vulnerability requires that the unauthenticated clients guess or find a URL matching an existing GUID.
How severe is CVE-2016-4435?: CVE-2016-4435 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-4435 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4435?: CVE-2016-4435 primarily affects Pivotal Bosh Stemcell. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4435?: 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-2016-4435 published?: CVE-2016-4435 was published on 2017-05-25 and last updated on 2026-06-17.

References

https://pivotal.io/security/cve-2016-4435

Affected products (2)

cpe:2.3:a:pivotal:bosh_stemcell:*:*:*:*:*:*:*:*
cpe:2.3:a:pivotal:bosh_stemcell:3146.13:*:*:*:*:*:*:*

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