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CVE-2021-43676

30
FAUCET Score

CVE-2021-43676 is a critical path manipulation vulnerability affecting the matyhtf framework v3.0.5, specifically within its Smarty.class.php component, and impacts products like swoole_php_framework. With a CVSS score of 9.8, it allows unauthenticated attackers to achieve complete compromise of confidentiality, integrity, and availability over a network with low attack complexity. Despite its severity, there is currently no public exploit intelligence, Metasploit modules, or Nuclei templates available, and it shows no active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.5CPE matchmatch criteria
cpe:2.3:a:swoole:swoole_php_framework:3.0.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.38%
Probability of exploitation in next 30 days
EPSS Percentile
69.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0138 is in the 56th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: matyhtf/frameworkFixed in: 3.0.6

Vendor Advisories (1)

composerGHSA-mh9j-v6mq-pfchcritical

Path manipulation in matyhtf/framework

Dec 4, 2021

References

github.com / matyhtf/framework/issues/206
ExploitIssue TrackingThird Party Advisory