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CVE-2023-31581

25
FAUCET Score

CVE-2023-31581 describes a critical vulnerability in Dromara Sureness versions prior to 1.0.8, where the software uses a hardcoded cryptographic key. This flaw, rated 9.8 CVSS (CRITICAL), allows unauthenticated remote attackers to achieve complete compromise of confidentiality, integrity, and availability due to the easily discoverable key. Despite its severity, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.8CPE matchmatch criteria
cpe:2.3:a:dromara:sureness:*:*:*:*:*:*:*:*

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
0.81%
Probability of exploitation in next 30 days
EPSS Percentile
53.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0081 is in the 37th percentile among its peer group of 36,897 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)

mavenpatch availablevia ghsa
Product: com.usthe.sureness:sureness-coreFixed in: 1.0.8

Vendor Advisories (1)

mavenGHSA-3j2f-58rq-g6p7critical

Sureness uses hardcoded key

Oct 25, 2023

References

github.com / dromara/sureness/issues/164
ExploitIssue Tracking
github.com / xubowenW/JWTissues/blob/main/sureness%20secure%20issues.md
Third Party Advisory