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CVE-2017-4961· NVD / CVE Program· CNA dell

An issue was discovered in Cloud Foundry Foundation BOSH Release 261.x versions prior to 261.3 and all 260.x versions.

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."

HighCVSS 8.8 · v3.0—No exploit No fix recorded
Published
Jun 13, 2017
Updated
Jun 16, 2026
EPSS
0.5% · 39th percentile
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Report tools

JSON

Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

Affected systems

VendorProduct
cloud foundrybosh

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • cloud foundry bosh260
  • cloud foundry bosh260.1
  • cloud foundry bosh260.2
  • cloud foundry bosh260.3
  • cloud foundry bosh260.4
  • cloud foundry bosh260.5
  • cloud foundry bosh260.6
  • cloud foundry bosh260.7
  • cloud foundry bosh261
  • cloud foundry bosh261.1
  • cloud foundry bosh261.2

Versions reported by the vendor

Affected version ranges reported by the assigning authority (dell). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a Cloud Foundry Foundation BOSH Release

    • Cloud Foundry Foundation BOSH Releaseaffected

Same product

cloud foundry: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-11083Bosh accepts refresh tokens in place of an access token
    32Monitor
  • CVE-2019-11271Bosh Deployment logs leak sensitive information
    31Monitor
  • CVE-2026-41704Compromised VM can make arbitrary blobstore deletes
    27Monitor
  • CVE-2026-41009Local Blobstore may allow arbitrary reads/deletes
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-354 · Improper Validation of Integrity Check Value

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records