CVE-2015-5168
Unspecified vulnerability in the HTTP/2 experimental feature in Apache Traffic Server 5.3.x...
Unspecified vulnerability in the HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.2 has unknown impact and attack vectors, a different vulnerability than CVE-2015-5206.
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
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
Unspecified vulnerability in the HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.2 has unknown impact and attack vectors, a different vulnerability than CVE-2015-5206.
- Record
CVE-2015-5168- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
Unspecified vulnerability in the HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.2 has unknown impact and attack vectors, a different vulnerability than CVE-2015-5206.
- Record
CVE-2015-5168- Updated
- 2026-11-02
EUVDEUVD-2015-5175 No score
Unspecified vulnerability in the HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.2 has unknown impact and attack vectors, a different vulnerability than CVE-2015-5206.
- Record
EUVD-2015-5175- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qjwx-gw73-82qp
9.8
Unspecified vulnerability in the HTTP/2 experimental feature in Apache Traffic Server 5.3.x...
Unspecified vulnerability in the HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.2 has unknown impact and attack vectors, a different vulnerability than CVE-2015-5206.
- Record
GHSA-qjwx-gw73-82qp- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSV
9.8
Unspecified vulnerability in the HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.2 has unknown impact and attack vectors, a different vulnerability than CVE-2015-5206.
- Record
CVE-2015-5168- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2015-5168
9.8
Unspecified vulnerability in the HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.2 has unknown impact and attack vectors, a different vulnerability than CVE-2015-5206.
- Record
DEBIAN-CVE-2015-5168- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2015-5168
9.8
Unspecified vulnerability in the HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.2 has unknown impact and attack vectors, a different vulnerability than CVE-2015-5206.
- Record
UBUNTU-CVE-2015-5168- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
trafficserverDebian:12 |
before 6.0.0-1 | 6.0.0-1 |
trafficserverUbuntu:16.04:LTS |
All versions, plus listed versions 5.3.0-2ubuntu15.3.0-2ubuntu2 |
None known |
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-2015-5168 is a critical vulnerability (CVSS 9.8) in Apache Traffic Server, published September 13, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.41%, the 84th percentile. Fixed in trafficserver 6.0.0-1.
References
mail-archives.us.apache.org/mod_mbox/www-announce/201509.mbox/%3CCABF6JR2j5vesvnjbm6sDPB_zAGj3kNgzzHEpLUh6dWG6t8mC2w%40mail.gmail.com%3E
nvd.nist.gov/vuln/detail/CVE-2015-5168
mail-archives.us.apache.org/mod_mbox/www-announce/201509.mbox/%3CCABF6JR2j5vesvnjbm6sDPB_zAGj3kNgzzHEpLUh6dWG6t8mC2w@mail.gmail.com%3E
github.com/advisories/GHSA-qjwx-gw73-82qp
security-tracker.debian.org/tracker/CVE-2015-5168
ubuntu.com/security/CVE-2015-5168
cve.org/CVERecord?id=CVE-2015-5168