CVE-2017-16678

Server Side Request Forgery (SSRF) vulnerability in SAP NetWeaver Knowledge Management Configuration Service, EPBC and EPBC2 from 7.00 to 7.02; KMC-BC 7.30, 7.31, 7.40 and 7.50, that allows an attacker to manipulate the vulnerable application to send crafted requests on behalf of the application.

Published: 2017-12-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2017-16678 is rated Low Risk (38.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.87%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2017-16678

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 0.41% 0.87% +0.46%
2 2025-07-10 0.27% 0.41% +0.14%
3 2025-03-17 0.27%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-16678

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.7 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L 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:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
1.2 3.4 [email protected]
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/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:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.0 6.4 [email protected]

Weakness enumeration for CVE-2017-16678

Affected software / configurations for CVE-2017-16678

Vendor Product Version Raw CPE
sap netweaver_knowledge_management_configuration_service cpe:2.3:a:sap:netweaver_knowledge_management_configuration_service:-:*:*:*:*:*:*:*
sap epbc >= 7.00, <= 7.02 cpe:2.3:a:sap:epbc:*:*:*:*:*:*:*:*
sap epbc2 >= 7.00, <= 7.02 cpe:2.3:a:sap:epbc2:*:*:*:*:*:*:*:*
sap kmc-bc 7.30 cpe:2.3:a:sap:kmc-bc:7.30:*:*:*:*:*:*:*
sap kmc-bc 7.31 cpe:2.3:a:sap:kmc-bc:7.31:*:*:*:*:*:*:*
sap kmc-bc 7.40 cpe:2.3:a:sap:kmc-bc:7.40:*:*:*:*:*:*:*
sap kmc-bc 7.50 cpe:2.3:a:sap:kmc-bc:7.50:*:*:*:*:*:*:*

References for CVE-2017-16678

cvelogic Threat Intelligence