CVE-2018-1269

Cloud Foundry Loggregator, versions 89.x prior to 89.5 or 96.x prior to 96.1 or 99.x prior to 99.1 or 101.x prior to 101.9 or 102.x prior to 102.2, does not handle errors thrown while constructing certain http requests. A remote authenticated user may construct malicious requests to cause the traffic controller to leave dangling TCP connections, which could cause denial of service.

Published: 2018-06-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-1269 is rated Moderate Risk (47.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.06%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-1269

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.67% 1.06% +0.39%
2 2025-11-21 0.47% 0.67% +0.20%
3 2025-11-18 0.47%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-1269

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 3.6 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2018-1269

Affected software / configurations for CVE-2018-1269

Vendor Product Version Raw CPE
cloudfoundry loggregator >= 89, < 89.5 cpe:2.3:a:cloudfoundry:loggregator:*:*:*:*:*:*:*:*
cloudfoundry loggregator >= 96, < 96.1 cpe:2.3:a:cloudfoundry:loggregator:*:*:*:*:*:*:*:*
cloudfoundry loggregator >= 99, < 99.1 cpe:2.3:a:cloudfoundry:loggregator:*:*:*:*:*:*:*:*
cloudfoundry loggregator >= 101, < 101.9 cpe:2.3:a:cloudfoundry:loggregator:*:*:*:*:*:*:*:*
cloudfoundry loggregator >= 102, < 102.2 cpe:2.3:a:cloudfoundry:loggregator:*:*:*:*:*:*:*:*

References for CVE-2018-1269

URL Tags
https://www.cloudfoundry.org/blog/cve-2018-1269 Third Party Advisory
cvelogic Threat Intelligence