CVE-2017-3156
Covert Timing Channel in Apache CXF
The OAuth2 Hawk and JOSE MAC Validation code in Apache CXF prior to 3.0.13 and 3.1.x prior to 3.1.10 is not using a constant time MAC signature comparison algorithm which may be exploited by sophisticated timing attacks.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The OAuth2 Hawk and JOSE MAC Validation code in Apache CXF prior to 3.0.13 and 3.1.x prior to 3.1.10 is not using a constant time MAC signature comparison algorithm which may be exploited by sophisticated timing attacks.
- Record
CVE-2017-3156- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
The OAuth2 Hawk and JOSE MAC Validation code in Apache CXF prior to 3.0.13 and 3.1.x prior to 3.1.10 is not using a constant time MAC signature comparison algorithm which may be exploited by sophisticated timing attacks.
- Record
CVE-2017-3156- Updated
- 2026-11-02
EUVDEUVD-2022-4941 No score
The OAuth2 Hawk and JOSE MAC Validation code in Apache CXF prior to 3.0.13 and 3.1.x prior to 3.1.10 is not using a constant time MAC signature comparison algorithm which may be exploited by sophisticated timing attacks.
- Record
EUVD-2022-4941- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qc2p-q7x9-v64p
Covert Timing Channel in Apache CXF
The OAuth2 Hawk and JOSE MAC Validation code in Apache CXF prior to 3.0.13 and 3.1.x prior to 3.1.10 is not using a constant time MAC signature comparison algorithm which may be exploited by sophisticated timing attacks.
- Record
GHSA-qc2p-q7x9-v64p- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-385
- Updated
- 2026-11-02
OSV
The OAuth2 Hawk and JOSE MAC Validation code in Apache CXF prior to 3.0.13 and 3.1.x prior to 3.1.10 is not using a constant time MAC signature comparison algorithm which may be exploited by sophisticated timing attacks.
- Record
CVE-2017-3156- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-qc2p-q7x9-v64p
Covert Timing Channel in Apache CXF
The OAuth2 Hawk and JOSE MAC Validation code in Apache CXF prior to 3.0.13 and 3.1.x prior to 3.1.10 is not using a constant time MAC signature comparison algorithm which may be exploited by sophisticated timing attacks.
- Record
GHSA-qc2p-q7x9-v64p- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-385
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.cxf.karaf:apache-cxfMaven |
through 3.0.12 | 3.0.13 |
org.apache.cxf.karaf:apache-cxfMaven |
3.1.0 to 3.1.9 | 3.1.10 |
org.apache.cxf.karaf:apache-cxfMaven |
before 3.0.13, plus listed versions 2.3.102.3.112.3.32.3.42.3.5 Show 45 moreShow less2.3.62.3.72.3.82.3.92.4.02.4.12.4.102.4.22.4.32.4.42.4.52.4.62.4.72.4.82.4.92.5.02.5.12.5.102.5.112.5.22.5.32.5.42.5.52.5.5.12.5.62.5.72.5.82.5.92.6.02.6.12.6.102.6.112.6.122.6.132.6.142.6.152.6.162.6.172.6.22.6.32.6.42.6.52.6.62.6.6.12.6.7 |
3.0.13 |
org.apache.cxf.karaf:apache-cxfMaven |
3.1.0 up to 3.1.10, plus listed versions 3.1.13.1.23.1.33.1.43.1.5 Show 4 moreShow less3.1.63.1.73.1.83.1.9 |
3.1.10 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-3156 is a high vulnerability (CVSS 7.5) in Apache Cxf, published August 10, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.31%, the 93rd percentile. Fixed in org.apache.cxf.karaf:apache-cxf 3.0.13.
References
securityfocus.com/bid/96398
access.redhat.com/errata/RHSA-2017:1832
cxf.apache.org/security-advisories.data/CVE-2017-3156.txt.asc
lists.apache.org/thread.html/rc774278135816e7afc943dc9fc78eb0764f2c84a2b96470a0187315c%40%3Ccommits.cxf.apache.org%3E
Show 14 moreShow less
nvd.nist.gov/vuln/detail/CVE-2017-3156
github.com/apache/cxf/commit/1338469
Left out here: 36 versions. The JSON record has them.