No exploitation reportedFix available

CVE-2018-0377

Q: Is CVE-2018-0377 actively exploited?

Active exploitation of CVE-2018-0377 has not been confirmed. Its EPSS score was 2.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2018-0377?

CVE-2018-0377 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2018-07-18
WeaknessCWE-306

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability in the Open Systems Gateway initiative (OSGi) interface of Cisco Policy Suite before 18.1.0 could allow an unauthenticated, remote attacker to directly connect to the OSGi interface. The vulnerability is due to a lack of authentication. An attacker could exploit this vulnerability by directly connecting to the OSGi interface. An exploit could allow the attacker to access or change any files that are accessible by the OSGi process. Cisco Bug IDs: CSCvh18017.

Timeline

dates in UTC

2018-07-1823:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-0377?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-0377?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Cisco mobility services engine

Branch	Affected	Fixed in	Source
14.0	= 14.0.0	no fix published	NVD

Cisco policy suite

Branch	Affected	Fixed in	Source
18.1	< 18.1.0	18.1.0	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

tools.cisco.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-11-29
OpenCVESSVC decisionnone—
NVDCVSS 3.09.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
CNAweakness (CWE)CWE-306read 2026-10-23
NVDweakness (CWE)CWE-306read 2026-10-23
FIRST EPSSEPSS score2.6 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2018-07-18
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-0377?

Is CVE-2018-0377 actively exploited?

Active exploitation of CVE-2018-0377 has not been confirmed. Its EPSS score was 2.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-0377?

CVE-2018-0377 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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