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CVE-2019-4119· NVD / CVE Program· CNA ibm

IBM Cloud Private Kubernetes API server 2.1.0, 3.1.0, 3.1.1, and 3.1.2 can be used as an HTTP proxy to not only cluster internal but also ex

IBM Cloud Private Kubernetes API server 2.1.0, 3.1.0, 3.1.1, and 3.1.2 can be used as an HTTP proxy to not only cluster internal but also external target IP addresses. IBM X-Force ID: 158145.

MediumCVSS 5.3 · v3.1—No exploit No fix recorded
Published
May 17, 2019
Updated
Jun 16, 2026
EPSS
1.0% · 62th percentile
CWE
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Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.0%

CNA vs NVD score

NVD
5.3
CNA · ibm
3.1
2.2 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
ibmcloud private

Affected versions

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

  • ibm cloud private2.1.0.0 and later · up to 2.1.0.3 inclusive
  • ibm cloud private3.1.0
  • ibm cloud private3.1.1
  • ibm cloud private3.1.2

Versions reported by the vendor

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

  • IBM Cloud Private

    • 2.1.0, 3.1.0, 3.1.1, 3.1.2affected

Same product

ibm: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-4117IBM Cloud Private 3.1.1 and 3.1.2 is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unautho
    35Monitor
  • CVE-2019-4142IBM Cloud Private 2.1.0, 3.1.0, 3.1.1, and 3.1.2 is vulnerable to cross-site request forgery which could allow an attacker to execute malici
    35Monitor
  • CVE-2019-4415IBM Cloud Private 3.1.1 and 3.1.2 could allow a local user to obtain elevated privileges due to improper security context constraints.
    31Monitor
  • CVE-2018-1939IBM Cloud Private 3.1.1 could allow a remote attacker to conduct phishing attacks, using an open redirect attack.
    24Monitor
  • CVE-2019-4116IBM Cloud Private 2.1.0, 3.1.0, and 3.1.1 could disclose highly sensitive information in installer logs that could be use for further attack
    22Monitor
  • CVE-2019-4239IBM MQ Advanced Cloud Pak (IBM Cloud Private 1.0.0 through 3.0.1) stores user credentials in plain in clear text which can be read by a loca
    22Monitor

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.

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Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
low · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

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CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

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