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CVE-2021-43674

30
FAUCET Score

CVE-2021-43674 is a critical path manipulation vulnerability (CWE-22) affecting ThinkUp 2.0-beta.10, specifically within its Smarty.class.php component. This vulnerability allows for unauthenticated, low-complexity attacks over the network, leading to complete compromise of confidentiality, integrity, and availability. While rated with a CVSS score of 9.8 (Critical), there is currently no evidence of active exploitation, public exploit code, or significant community discussion, and it affects an unsupported product.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:thinkupapp:thinkup:2.0:beta10:*:*:*:*:*:*

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 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0138 is in the 56th percentile among its peer group of 36,835 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

Remediation records are not available for this CVE.

References

github.com / ThinkUpLLC/ThinkUp/issues/2289
ExploitIssue TrackingThird Party Advisory