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CVE-2018-12571

43
FAUCET Score

CVE-2018-12571 is a critical server-side request forgery (SSRF) vulnerability affecting Microsoft Forefront Unified Access Gateway 2010. By manipulating the 'orig_url' parameter in uniquesig0/InternalSite/InitParams.aspx, remote attackers can force outbound DNS queries to arbitrary hosts, potentially leading to traffic amplification or further SSRF attacks. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
30.27%
Probability of exploitation in next 30 days
EPSS Percentile
98.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.3027 is in the 95th 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

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/148389/Microsoft-Forefront-Unified-Access-Gateway-2010-External-DNS-Interaction.html
ExploitThird Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2018/Jul/2
ExploitMailing ListThird Party Advisory
seclists.org / fulldisclosure/2018/Jul/7
ExploitMailing ListThird Party Advisory
securitytracker.com / id/1041212
Third Party AdvisoryVDB Entry