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CVE-2019-4377

18
FAUCET Score

CVE-2019-4377 is a sensitive information disclosure vulnerability affecting IBM Sterling B2B Integrator versions 6.0.0.0 and 6.0.0.1. It allows an authenticated attacker to view stack trace information, which could potentially aid in subsequent attacks. Rated with a CVSS score of 4.3 (Medium), this vulnerability has a low attack complexity and requires low privileges, but does not require user interaction. The primary impact is a low confidentiality loss, with no integrity or availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE. It is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.2.0.0, <= 6.0.0.1CPE matchmatch criteria
cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.34%
Probability of exploitation in next 30 days
EPSS Percentile
68.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0134 is in the 82nd percentile among its peer group of 21,977 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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

exchange.xforce.ibmcloud.com / vulnerabilities/162083
VDB EntryVendor Advisory
ibm.com / support/docview.wss
Vendor Advisory
securityfocus.com / bid/108915
Broken LinkThird Party AdvisoryVDB Entry