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CVE-2021-26550

17
FAUCET Score

CVE-2021-26550 is a cleartext password disclosure vulnerability affecting SmartFoxServer version 2.17.0, where sensitive credentials can be exposed via the /config/server.xml file. This vulnerability has a CVSS score of 5.5 (Medium), indicating that an attacker with local access and low privileges could compromise the confidentiality of user data. While the potential impact is high for data confidentiality, there is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.17.0CPE matchmatch criteria
cpe:2.3:a:smartfoxserver:smartfoxserver:2.17.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 85th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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

packetstormsecurity.com / files/161337/SmartFoxServer-2X-2.17.0-Credential-Disclosure.html
ExploitThird Party AdvisoryVDB Entry
smartfoxserver.com
Product
zeroscience.mk / en/vulnerabilities
ExploitThird Party Advisory
zeroscience.mk / en/vulnerabilities/ZSL-2021-5627.php
ExploitThird Party Advisory