CVE-2017-3971
SB10192 - Network Security Management (NSM) - Cryptanalysis vulnerability
Cryptanalysis vulnerability in the web interface in McAfee Network Security Management (NSM) before 8.2.7.42.2 allows attackers to view confidential information via insecure use of RC4 encryption cyphers.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
SB10192 - Network Security Management (NSM) - Cryptanalysis vulnerability
Cryptanalysis vulnerability in the web interface in McAfee Network Security Management (NSM) before 8.2.7.42.2 allows attackers to view confidential information via insecure use of RC4 encryption cyphers.
- Record
CVE-2017-3971- CVSS 3.0
- 8.2 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L - Updated
- 2026-11-02
EUVDEUVD-2017-13088
Cryptanalysis vulnerability in the web interface in McAfee Network Security Management (NSM) before 8.2.7.42.2 allows attackers to view confidential information via insecure use of RC4 encryption cyphers.
- Record
EUVD-2017-13088- CVSS 3.0
- 8.2 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cr6f-25f8-7583
Cryptanalysis vulnerability in the web interface in McAfee Network Security Management (NSM)...
Cryptanalysis vulnerability in the web interface in McAfee Network Security Management (NSM) before 8.2.7.42.2 allows attackers to view confidential information via insecure use of RC4 encryption cyphers.
- Record
GHSA-cr6f-25f8-7583- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-326
- Updated
- 2026-11-02
NVD
Cryptanalysis vulnerability in the web interface in McAfee Network Security Management (NSM) before 8.2.7.42.2 allows attackers to view confidential information via insecure use of RC4 encryption cyphers.
- Record
CVE-2017-3971- CVSS 3.0
- 8.2 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-326
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-3971 is a high vulnerability (CVSS 8.2) in Mcafee Network Security Management (nsm), published April 4, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 24th percentile. No source names a fixed version.