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CVE-2017-18179

28
FAUCET Score

CVE-2017-18179 describes a critical authentication bypass vulnerability in Progress Sitefinity 9.1, where the "wrap_access_token" remains valid indefinitely, even after password changes or session termination. This token is also insecurely transmitted as a GET parameter. With a CVSS score of 8.8 (HIGH), an attacker could exploit this with low complexity over the network to achieve high confidentiality, integrity, and availability impacts. While no public exploits, Metasploit modules, or Nuclei templates are available, and there's minimal community discussion, the vulnerability's severity and ease of exploitation warrant attention. This issue was addressed in Sitefinity 10.1.

Impacted Technologies

VendorProductVersion(s)CPE
9.1CPE matchmatch criteria
cpe:2.3:a:progress:sitefinity:9.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
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
2.76%
Probability of exploitation in next 30 days
EPSS Percentile
84.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0276 is in the 84th percentile among its peer group of 17,808 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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/143894/Progress-Sitefinity-9.1-XSS-Session-Management-Open-Redirect.html
ExploitThird Party AdvisoryVDB Entry
sec-consult.com / en/blog/advisories/multiple-vulnerabilities-in-progress-sitefinity/index.html
ExploitThird Party Advisory