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CVE-2015-6853

23
FAUCET Score

CVE-2015-6853 describes a critical vulnerability in the Domino web agent of CA Single Sign-On (formerly SiteMinder) across multiple versions. A remote attacker can exploit this flaw by sending a crafted request, leading to a denial of service (daemon crash) or the disclosure of sensitive information. With a CVSS score of 9.1, this vulnerability is considered critical due to its network-based attack vector, low attack complexity, and high impact on confidentiality and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
r6.0CPE matchmatch criteria
cpe:2.3:a:broadcom:single_sign-on:r6.0:*:*:*:*:*:*:*
r12.0CPE matchmatch criteria
cpe:2.3:a:broadcom:single_sign-on:r12.0:*:*:*:*:*:*:*
r12.0jCPE matchmatch criteria
cpe:2.3:a:broadcom:single_sign-on:r12.0j:*:*:*:*:*:*:*
r12.5CPE matchmatch criteria
cpe:2.3:a:broadcom:single_sign-on:r12.5:*:*:*:*:*:*:*
r12.51CPE matchmatch criteria
cpe:2.3:a:broadcom:single_sign-on:r12.51:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.50%
Probability of exploitation in next 30 days
EPSS Percentile
71.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0150 is in the 59th percentile among its peer group of 36,833 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

ca.com / us/support/ca-support-online/product-content/recommended-reading/security-notices/ca20160323-01-security-notice-for-ca-single-sign-on-web-agents.aspx
Vendor Advisory
securitytracker.com / id/1035389