CVE-2015-6357
The rule-update feature in Cisco FireSIGHT Management Center (MC) 5.2 through 5.4.0.1 does not...
The rule-update feature in Cisco FireSIGHT Management Center (MC) 5.2 through 5.4.0.1 does not verify the X.509 certificate of the support.sourcefire.com SSL server, which allows man-in-the-middle attackers to spoof this server and provide an invalid package, and consequently execute arbitrary code, via a crafted certificate, aka Bug ID CSCuw06444.
Exploit likelihood
What each source reports
NVD Score used
The rule-update feature in Cisco FireSIGHT Management Center (MC) 5.2 through 5.4.0.1 does not verify the X.509 certificate of the support.sourcefire.com SSL server, which allows man-in-the-middle attackers to spoof this server and provide an invalid package, and consequently execute arbitrary code, via a crafted certificate, aka Bug ID CSCuw06444.
- Record
CVE-2015-6357- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The rule-update feature in Cisco FireSIGHT Management Center (MC) 5.2 through 5.4.0.1 does not verify the X.509 certificate of the support.sourcefire.com SSL server, which allows man-in-the-middle attackers to spoof this server and provide an invalid package, and consequently execute arbitrary code, via a crafted certificate, aka Bug ID CSCuw06444.
- Record
CVE-2015-6357- Updated
- 2026-11-02
EUVDEUVD-2015-6299 No score
The rule-update feature in Cisco FireSIGHT Management Center (MC) 5.2 through 5.4.0.1 does not verify the X.509 certificate of the support.sourcefire.com SSL server, which allows man-in-the-middle attackers to spoof this server and provide an invalid package, and consequently execute arbitrary code, via a crafted certificate, aka Bug ID CSCuw06444.
- Record
EUVD-2015-6299- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8j79-x4hx-j6c3 No score
The rule-update feature in Cisco FireSIGHT Management Center (MC) 5.2 through 5.4.0.1 does not...
The rule-update feature in Cisco FireSIGHT Management Center (MC) 5.2 through 5.4.0.1 does not verify the X.509 certificate of the support.sourcefire.com SSL server, which allows man-in-the-middle attackers to spoof this server and provide an invalid package, and consequently execute arbitrary code, via a crafted certificate, aka Bug ID CSCuw06444.
- Record
GHSA-8j79-x4hx-j6c3- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | mattimustang/firepwner | 2015-11-16 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-6357 is a medium vulnerability (CVSS 6.8) in Cisco Firesight System Software, published November 18, 2015. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.63%, the 85th percentile. No source names a fixed version.
References
securitytracker.com/id/1034161
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151116-fmc
packetstormsecurity.com/files/134390/Cisco-FireSIGHT-Management-Center-Certificate-Validation.html
wadofstuff.blogspot.com.au/2015/11/cve-2015-6357-firepwner-exploit-for.html
securityfocus.com/archive/1/536913/100/0/threaded
seclists.org/fulldisclosure/2015/Nov/79
nvd.nist.gov/vuln/detail/CVE-2015-6357
github.com/advisories/GHSA-8j79-x4hx-j6c3