MEDIUM
CVE-2018-1086
CWE-20Published: April 12, 2018· Updated: Jun 17, 2026
4.3
CVSS v3.1
Official Description
pcs before versions 0.9.164 and 0.10 is vulnerable to a debug parameter removal bypass. REST interface of the pcsd service did not properly remove the pcs debug argument from the /run_pcs query, possibly disclosing sensitive information. A remote attacker with a valid token could use this flaw to elevate their privilege.
Technical Analysis
CVE-2018-1086 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected Vendors & Products
clusterlabs1 product(s)
pacemaker command line interface
Debian1 product(s)
debian linux
Red Hat1 product(s)
enterprise linux server eus
Source: NVD CPE · 5 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (8)
→
https://access.redhat.com/errata/RHSA-2018:1060Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:1927Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1086Issue Tracking · Third Party Advisory
→
https://www.debian.org/security/2018/dsa-4169Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:1060Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:1927Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1086Issue Tracking · Third Party Advisory
→
https://www.debian.org/security/2018/dsa-4169Third Party Advisory
Quick Facts
CVE IDCVE-2018-1086
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-20
CISA KEVNo
Affected3 vendor(s)
PublishedApr 12, 2018
Related CVEs (CWE-20)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-1086 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.