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CVE-2011-1897

20
FAUCET Score

CVE-2011-1897 describes a cross-site scripting (XSS) vulnerability in Microsoft Forefront Unified Access Gateway (UAG) 2010, including Gold, Update 1, Update 2, and SP1. This flaw allows remote attackers to inject arbitrary web script or HTML through unspecified vectors, earning it a CVSS score of 4.3. While the attack complexity is medium and requires no authentication, successful exploitation could lead to information disclosure or defacement. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:*:*:*:*:*:*:*
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:sp1:*:*:*:*:*:*
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:update1:*:*:*:*:*:*
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:update2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.40%
Probability of exploitation in next 30 days
EPSS Percentile
94.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0840 is in the 94th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (4)

fuji_electricvendor investigatingvia llm_extracted
langgeniusvendor investigatingvia llm_extracted
lizardbytevendor investigatingvia llm_extracted
opensipsvendor investigatingvia llm_extracted

Vendor Advisories (4)

langgeniusllm-langgenius-513a32a79e22b12aMEDIUM

[R1] Microsoft Forefront Unified Access Gateway Multiple Vulnerabilities

Oct 11, 2011
lizardbytellm-lizardbyte-34c4a4be3f23f757MEDIUM

[R1] Microsoft Forefront Unified Access Gateway Multiple Vulnerabilities

Oct 11, 2011
opensipsllm-opensips-e8a630e93b910a07MEDIUM

[R1] Microsoft Forefront Unified Access Gateway Multiple Vulnerabilities

Oct 11, 2011
fuji_electricllm-fuji_electric-7f4d581fc01c1789MEDIUM

[R1] Microsoft Forefront Unified Access Gateway Multiple Vulnerabilities

Oct 11, 2011

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2011/ms11-079
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13039