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CVE-2015-6458

22
FAUCET Score

CVE-2015-6458 describes a critical buffer overflow vulnerability in Moxa SoftCMS versions 1.3 and prior, which could lead to application crashes or remote code execution. This high-severity flaw (CVSS 8.8) is easily exploitable over the network with low attack complexity, potentially resulting in complete compromise of confidentiality, integrity, and availability. While Moxa released a patch in June 2015, there is no public exploit code available in Metasploit, Nuclei, or ExploitDB, and it is not listed on the CISA KEV catalog. Despite limited community discussion, the vulnerability received media coverage, indicating its significance at the time.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.3CPE matchmatch criteria
cpe:2.3:a:moxa:softcms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
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
2.80%
Probability of exploitation in next 30 days
EPSS Percentile
85.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0280 is in the 84th percentile among its peer group of 14,848 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

ics-cert.us-cert.gov / advisories/ICSA-15-239-01
Third Party AdvisoryUS Government Resource