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CVE-2018-1000655

22
FAUCET Score

CVE-2018-1000655 is a NULL Pointer Dereference vulnerability (CWE-476) affecting Jsish version 2.4.65, specifically within the jsi_ValueCopyMove function. This flaw can be triggered by specially crafted JavaScript code, leading to a denial of service through a segmentation fault. The vulnerability carries a CVSS v3 score of 6.5 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction, and resulting in high availability impact. While the EPSS score is low, its FAUCET Risk Score is 37/100. There is no evidence of active exploitation, nor are there any public exploit modules available on platforms like Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
2.4.65CPE matchmatch criteria
cpe:2.3:a:jsish:jsish:2.4.65:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0089 is in the 66th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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

jsish.org / fossil/jsi/tktview/3b8f95574f2c9dddf5ffea71e0086b2e6f6dd71e
ExploitVendor Advisory