CVE-2018-1000226

Cobbler version Verified as present in Cobbler versions 2.6.11+, but code inspection suggests at least 2.0.0+ or possibly even older versions may be vulnerable contains a Incorrect Access Control vulnerability in XMLRPC API (/cobbler_api) that can result in Privilege escalation, data manipulation or exfiltration, LDAP credential harvesting. This attack appear to be exploitable via "network connectivity". Taking advantage of improper validation of security tokens in API endpoints. Please note this is a different issue than CVE-2018-10931.

Published: 2018-08-20 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-1000226 is rated High Risk (72.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 60.01%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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-2018-1000226

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 2026-03-06 61.01% 60.01% -1.00%
2 2025-11-21 52.96% 61.01% +8.05%
3 2025-11-18 52.96%

Full EPSS history (19 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-1000226

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:N)
No account or special rights needed—anonymous or random user is enough.
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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2018-1000226

GitHub Security Advisory for CVE-2018-1000226

GHSA-f88q-22g8-frcg · Severity: critical · Ecosystem: pip — Cobbler Improper Validation of Security Tokens

OS Trackers for CVE-2018-1000226

vendor priority summary link
redhat high https://access.redhat.com/security/cve/CVE-2018-1000226
suse high CVE-2018-1000226 severity important: SUSE including 246 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 249 product×package rows across 13 product lines (HPE Helion OpenStack 8, SUSE Manager Client Tools 12, … (13 product lines)): Known Affected 231, Fixed 16, Known Not Affected 2. https://www.suse.com/security/cve/CVE-2018-1000226/
ubuntu medium CVE-2018-1000226 medium priority: Ubuntu including 1 source packages (cobbler), 15 status rows across 15 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, trusty, upstream, xenial): DNE 13, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2018-1000226

Affected software / configurations for CVE-2018-1000226

Vendor Product Version Raw CPE
cobblerd cobbler >= 2.0.0 cpe:2.3:a:cobblerd:cobbler:*:*:*:*:*:*:*:*

References for CVE-2018-1000226

cvelogic Threat Intelligence