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CVE-2018-18877

26
FAUCET Score

CVE-2018-18877 describes an authentication bypass vulnerability in Columbia Weather MicroServer firmware version MS_2.6.9900. An authenticated web user can access a hidden configuration page (config_main.php) to manipulate the device. This vulnerability has a high CVSS score of 8.8, indicating a network-based attack with low complexity that can lead to high impact on confidentiality, integrity, and availability. There is no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
ms_2.6.9900CPE matchmatch criteria
cpe:2.3:o:columbiaweather:weather_microserver_firmware:ms_2.6.9900:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.71%
Probability of exploitation in next 30 days
EPSS Percentile
74.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0171 is in the 73rd percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

applied-risk.com / labs/advisories
Third Party Advisory
ics-cert.us-cert.gov / advisories/ICSA-19-078-02
Third Party AdvisoryUS Government Resource