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CVE-2018-1546

20
FAUCET Score

CVE-2018-1546 describes a sensitive information disclosure vulnerability in IBM API Connect versions 5.0.0.0 through 5.0.8.3, stemming from improper HTTP Strict Transport Security (HSTS) implementation. This medium-severity vulnerability (CVSS 5.9) could allow a remote attacker to intercept sensitive data via man-in-the-middle attacks due to the high confidentiality impact and low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.0.0.0, <= 5.0.8.3CPE matchmatch criteria
cpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.21%
Probability of exploitation in next 30 days
EPSS Percentile
80.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0221 is in the 69th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

www-prd-trops.events.ibm.com / node/715299
exchange.xforce.ibmcloud.com / vulnerabilities/142650
VDB EntryVendor Advisory
ibm.com / support/pages/node/715299