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CVE-2018-1778

HIGH
Published 2018-12-20T14:00:00Z
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Expert Analysis

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CVSS Score

V3.0
7.7
/10
CVSS:3.0/A:L/AC:H/AV:N/C:H/I:H/PR:N/S:U/UI:N/E:U/RC:C/RL:O
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.004
probability
of exploitation in the wild

There is a 0.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.580
Higher than 58.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
LOW

Description

IBM LoopBack (IBM API Connect 2018.1, 2018.4.1, 5.0.8.0, and 5.0.8.4) could allow an attacker to bypass authentication if the AccessToken Model is exposed over a REST API, it is then possible for anyone to create an AccessToken for any User provided they know the userId and can hence get access to the other user’s data / access to their privileges (if the user happens to be an Admin for example). IBM X-Force ID: 148801.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

IBM

API Connect

Affected Versions:

5.0.8.0 2018.1 5.0.8.4 2018.4.1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-gpvh-xcx4-jwmg

Advisory Details

IBM LoopBack (IBM API Connect 2018.1, 2018.4.1, 5.0.8.0, and 5.0.8.4) could allow an attacker to bypass authentication if the AccessToken Model is exposed over a REST API, it is then possible for anyone to create an AccessToken for any User provided they know the userId and can hence get access to the other user’s data / access to their privileges (if the user happens to be an Admin for example). IBM X-Force ID: 148801.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2018-1778
WEB https://exchange.xforce.ibmcloud.com/vulnerabilities/148801
WEB http://www.ibm.com/support/docview.wss?uid=ibm10733883
WEB http://www.securityfocus.com/bid/106313

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: May 13, 2022

References

http://www.ibm.com/support/docview.wss?uid=ibm10733883
https://exchange.xforce.ibmcloud.com/vulnerabilities/148801
http://www.securityfocus.com/bid/106313
Published: 2018-12-20T14:00:00Z
Last Modified: 2024-09-17T03:23:10.808Z
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