CVE-2016-3027

IBM Security Access Manager for Web is vulnerable to a denial of service, caused by an XML External Entity Injection (XXE) error when processing XML data. A remote attacker could exploit this vulnerability to expose highly sensitive information or consume all available memory resources.

Published: 2017-02-01 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-3027 is rated Moderate Risk (50.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.31%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-3027

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.56% 1.31% +0.75%
2 2025-03-30 1.34% 0.56% -0.78%
3 2025-03-29 1.34%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-3027

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
1.2 5.2 [email protected]
5.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.0 4.9 [email protected]

Weakness enumeration for CVE-2016-3027

Affected software / configurations for CVE-2016-3027

Vendor Product Version Raw CPE
ibm security_access_manager_9.0_firmware 9.0.0 cpe:2.3:o:ibm:security_access_manager_9.0_firmware:9.0.0:*:*:*:*:*:*:*
ibm security_access_manager_9.0_firmware 9.0.0.1 cpe:2.3:o:ibm:security_access_manager_9.0_firmware:9.0.0.1:*:*:*:*:*:*:*
ibm security_access_manager_9.0_firmware 9.0.1.0 cpe:2.3:o:ibm:security_access_manager_9.0_firmware:9.0.1.0:*:*:*:*:*:*:*
ibm security_access_manager_for_mobile_8.0_firmware 8.0.0.1 cpe:2.3:o:ibm:security_access_manager_for_mobile_8.0_firmware:8.0.0.1:*:*:*:*:*:*:*
ibm security_access_manager_for_mobile_8.0_firmware 8.0.0.2 cpe:2.3:o:ibm:security_access_manager_for_mobile_8.0_firmware:8.0.0.2:*:*:*:*:*:*:*
ibm security_access_manager_for_mobile_8.0_firmware 8.0.0.3 cpe:2.3:o:ibm:security_access_manager_for_mobile_8.0_firmware:8.0.0.3:*:*:*:*:*:*:*
ibm security_access_manager_for_mobile_8.0_firmware 8.0.0.5 cpe:2.3:o:ibm:security_access_manager_for_mobile_8.0_firmware:8.0.0.5:*:*:*:*:*:*:*
ibm security_access_manager_for_mobile_8.0_firmware 8.0.1.0 cpe:2.3:o:ibm:security_access_manager_for_mobile_8.0_firmware:8.0.1.0:*:*:*:*:*:*:*
ibm security_access_manager_for_mobile_8.0_firmware 8.0.1.2 cpe:2.3:o:ibm:security_access_manager_for_mobile_8.0_firmware:8.0.1.2:*:*:*:*:*:*:*
ibm security_access_manager_for_mobile_8.0_firmware 8.0.1.3 cpe:2.3:o:ibm:security_access_manager_for_mobile_8.0_firmware:8.0.1.3:*:*:*:*:*:*:*
ibm security_access_manager_for_mobile_8.0_firmware 8.0.1.4 cpe:2.3:o:ibm:security_access_manager_for_mobile_8.0_firmware:8.0.1.4:*:*:*:*:*:*:*
ibm security_access_manager_for_web_8.0_firmware 8.0.0.1 cpe:2.3:o:ibm:security_access_manager_for_web_8.0_firmware:8.0.0.1:*:*:*:*:*:*:*
ibm security_access_manager_for_web_8.0_firmware 8.0.0.2 cpe:2.3:o:ibm:security_access_manager_for_web_8.0_firmware:8.0.0.2:*:*:*:*:*:*:*
ibm security_access_manager_for_web_8.0_firmware 8.0.0.3 cpe:2.3:o:ibm:security_access_manager_for_web_8.0_firmware:8.0.0.3:*:*:*:*:*:*:*
ibm security_access_manager_for_web_8.0_firmware 8.0.0.5 cpe:2.3:o:ibm:security_access_manager_for_web_8.0_firmware:8.0.0.5:*:*:*:*:*:*:*
ibm security_access_manager_for_web_8.0_firmware 8.0.1.0 cpe:2.3:o:ibm:security_access_manager_for_web_8.0_firmware:8.0.1.0:*:*:*:*:*:*:*
ibm security_access_manager_for_web_8.0_firmware 8.0.1.2 cpe:2.3:o:ibm:security_access_manager_for_web_8.0_firmware:8.0.1.2:*:*:*:*:*:*:*
ibm security_access_manager_for_web_8.0_firmware 8.0.1.3 cpe:2.3:o:ibm:security_access_manager_for_web_8.0_firmware:8.0.1.3:*:*:*:*:*:*:*
ibm security_access_manager_for_web_8.0_firmware 8.0.1.4 cpe:2.3:o:ibm:security_access_manager_for_web_8.0_firmware:8.0.1.4:*:*:*:*:*:*:*

References for CVE-2016-3027

cvelogic Threat Intelligence