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CVE-2018-1896· NVD / CVE Program· CNA ibm

IBM Connections 5.0, 5.5, and 6.0 is vulnerable to possible host header injection attack that could cause navigation to the attacker's domai

IBM Connections 5.0, 5.5, and 6.0 is vulnerable to possible host header injection attack that could cause navigation to the attacker's domain. IBM X-Force ID: 152456.

MediumCVSS 5.4 · v3.0—No exploit No fix recorded
Published
Dec 7, 2018
Updated
Jun 16, 2026
EPSS
1.0% · 60th percentile
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Report tools

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Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.0%

CNA vs NVD score

NVD
5.4
CNA · ibm
4.6
0.8 point gap

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

Affected versions

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

  • ibm connections5.0
  • ibm connections5.5
  • ibm connections6.0

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 Connections

    • 5.0, 5.5, 6.0affected

Same product

ibm: all records

Other highest-scoring records for the same primary product.

  • CVE-2016-3007Cross-site request forgery (CSRF) vulnerability in IBM Connections 4.x through 4.5 CR5, 5.0 before CR4, and 5.5 before CR1 allows remote aut
    35Monitor
  • CVE-2015-5038IBM Connections 3.x before 3.0.1.1 CR3, 4.0 before CR4, 4.5 before CR5, and 5.0 before CR3 does not properly detect recursion during XML ent
    30Monitor
  • CVE-2015-7461XML external entity (XXE) vulnerability in IBM Connections 3.0.1.1 and earlier, 4.0, 4.5, and 5.0 before CR4 allows remote authenticated use
    26Monitor
  • CVE-2016-2999IBM Connections 4.x through 4.5 CR5, 5.0 before CR4, and 5.5 before CR1 allows remote authenticated users to obtain sensitive information vi
    26Monitor
  • CVE-2017-1748IBM Connections 5.0, 5.5, and 6.0 could allow a remote attacker to conduct phishing attacks, using an open redirect attack.
    24Monitor
  • CVE-2014-0929Cross-site request forgery (CSRF) vulnerability in the Profiles component in IBM Connections through 3.0.1.1 CR3 allows remote authenticated
    24Monitor

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

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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.

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