How severe is CVE-2017-4961?

CVE-2017-4961 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-4961 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-4961?

CVE-2017-4961 primarily affects Cloud Foundry Bosh. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-4961?

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-2017-4961 published?

CVE-2017-4961 was published on 2017-06-13 and last updated on 2026-06-17.

CVE-2017-4961

CVE-2017-4961 is a high-severity vulnerability in Cloud Foundry Bosh 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. The underlying weakness is classified as CWE-354.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-354
Affected product: Cloud Foundry Bosh
Published: 2017-06-13
Last modified: 2026-06-17

Description

An issue was discovered in Cloud Foundry Foundation BOSH Release 261.x versions prior to 261.3 and all 260.x versions. In certain cases an authenticated Director user can provide a malicious checksum that could allow them to escalate their privileges on the Director VM, aka "BOSH Director Shell Injection Vulnerabilities."

Frequently asked questions

What is CVE-2017-4961?: An issue was discovered in Cloud Foundry Foundation BOSH Release 261.x versions prior to 261.3 and all 260.x versions. In certain cases an authenticated Director user can provide a malicious checksum that could allow them to escalate their privileges on the Director VM, aka "BOSH Director Shell Injection Vulnerabilities."
How severe is CVE-2017-4961?: CVE-2017-4961 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-4961 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-4961?: CVE-2017-4961 primarily affects Cloud Foundry Bosh. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-4961?: 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-2017-4961 published?: CVE-2017-4961 was published on 2017-06-13 and last updated on 2026-06-17.

References

https://www.cloudfoundry.org/cve-2017-4961/

Affected products (11)

cpe:2.3:a:cloud_foundry:bosh:260:*:*:*:*:*:*:*
cpe:2.3:a:cloud_foundry:bosh:260.1:*:*:*:*:*:*:*
cpe:2.3:a:cloud_foundry:bosh:260.2:*:*:*:*:*:*:*
cpe:2.3:a:cloud_foundry:bosh:260.3:*:*:*:*:*:*:*
cpe:2.3:a:cloud_foundry:bosh:260.4:*:*:*:*:*:*:*
cpe:2.3:a:cloud_foundry:bosh:260.5:*:*:*:*:*:*:*
cpe:2.3:a:cloud_foundry:bosh:260.6:*:*:*:*:*:*:*
cpe:2.3:a:cloud_foundry:bosh:260.7:*:*:*:*:*:*:*
cpe:2.3:a:cloud_foundry:bosh:261:*:*:*:*:*:*:*
cpe:2.3:a:cloud_foundry:bosh:261.1:*:*:*:*:*:*:*
cpe:2.3:a:cloud_foundry:bosh:261.2:*:*:*:*:*:*:*

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