CVE-2017-12631 [High] | CSRF in Cxf Fediz

Apache CXF Fediz ships with a number of container-specific plugins to enable WS-Federation for applications. A CSRF (Cross Style Request Forgery) style vulnerability has been found in the Spring 2, Spring 3 and Spring 4 plugins in versions before 1.4.3 and 1.3.3. The vulnerability can result in a security context that is set up using a malicious client's roles for the given enduser.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	1.45%	1.61%	+0.16%
2	2025-03-30	0.72%	1.45%	+0.72%
3	2025-03-29	—	0.72%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

1.45%

1.61%

+0.16%

2025-03-30

0.72%

1.45%

+0.72%

2025-03-29

—

0.72%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
8.8	3.0	HIGH	`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. 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:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.8	5.9	[email protected]
6.8	2.0	MEDIUM	`AV:N/AC:M/Au:N/C:P/I:P/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:M) Exploitation needs some favorable conditions, but not exceptional ones. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	8.6	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

8.8

3.0

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
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:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.8

5.9

[email protected]

6.8

2.0

MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:M): Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

8.6

6.4

[email protected]

GitHub Security Advisory for CVE-2017-12631

GHSA-fv7x-4hpc-hf9f · Severity: medium · Ecosystem: maven — Moderate severity vulnerability that affects org.apache.cxf.fediz:fediz-spring, org.apache.cxf.fediz:fediz-spring2, and org.apache.cxf.fediz:fediz-spring3

Affected software / configurations for CVE-2017-12631

Vendor	Product	Version	Raw CPE
apache	cxf_fediz	< 1.3.3	cpe:2.3:a:apache:cxf_fediz::::::::
apache	cxf_fediz	1.4.0	cpe:2.3:a:apache:cxf_fediz:1.4.0:::::::*
apache	cxf_fediz	1.4.1	cpe:2.3:a:apache:cxf_fediz:1.4.1:::::::*
apache	cxf_fediz	1.4.2	cpe:2.3:a:apache:cxf_fediz:1.4.2:::::::*

References for CVE-2017-12631

URL	Tags
http://cxf.547215.n5.nabble.com/Apache-CXF-Fediz-1-4-3-and-1-3-3-released-with-a-new-security-advisory-CVE-2017-12631-td5785868.html	Third Party Advisory
http://www.securityfocus.com/bid/102127	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1040487
https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rc774278135816e7afc943dc9fc78eb0764f2c84a2b96470a0187315c%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed307839a6%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E
https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740b244bd4%40%3Ccommits.cxf.apache.org%3E

URL

CVE-2017-12631

Exploit prediction scoring system (EPSS) score for CVE-2017-12631

Common vulnerability scoring system (CVSS) metrics for CVE-2017-12631

Weakness enumeration for CVE-2017-12631

GitHub Security Advisory for CVE-2017-12631

Affected software / configurations for CVE-2017-12631

References for CVE-2017-12631