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CVE-2016-5991· NVD / CVE Program· CNA ibm

IBM Sterling Connect:Direct 4.5.00, 4.5.01, 4.6.0 before 4.6.0.6 iFix008, and 4.7.0 before 4.7.0.4 on Windows allows local users to gain pri

IBM Sterling Connect:Direct 4.5.00, 4.5.01, 4.6.0 before 4.6.0.6 iFix008, and 4.7.0 before 4.7.0.4 on Windows allows local users to gain privileges via unspecified vectors.

MediumCVSS 4.5 · v3.0—No exploit No fix recorded
Published
Nov 24, 2016
Updated
Jun 16, 2026
EPSS
0.3% · 17th percentile
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Action score

18

Monitor

Low priority for now.

CVSS
18 / 40 · 4.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

Affected systems

VendorProduct
ibmsterling connect\

Affected versions

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

  • ibm sterling connect:direct4.5
  • ibm sterling connect:direct4.5.01
  • ibm sterling connect:direct4.6
  • ibm sterling connect:direct4.7

Same product

ibm: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-32331IBM Connect:Express for UNIX denial of service
    30Monitor
  • CVE-2021-38933IBM Sterling Connect:Express for UNIX information disclosure
    30Monitor
  • CVE-2021-38891IBM Sterling Connect:Direct Web Services 1.0 and 6.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decr
    30Monitor
  • CVE-2021-38890IBM Sterling Connect:Direct Web Services 1.0 and 6.0 uses an inadequate account lockout setting that could allow a remote attacker to brute
    30Monitor
  • CVE-2020-4767IBM Sterling Connect Direct for Microsoft Windows 4.7, 4.8, 6.0, and 6.1 could allow a remote attacker to cause a denial of service, caused
    30Monitor
  • CVE-2025-36137IBM Sterling Connect:Direct for UNIX command execution
    28Monitor

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

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

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

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

Weakness class (CWE)

CWE-264 · Permissions, Privileges, and Access Controls

CVSS vector

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

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