How severe is CVE-2015-1878?

CVE-2015-1878 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-1878 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1878?

CVE-2015-1878 affects Thalesesecurity Nshield Connect Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-1878?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-1878 published?

CVE-2015-1878 was published on 2017-08-18 and last updated on 2026-06-17.

CVE-2015-1878

CVE-2015-1878 is a medium-severity vulnerability in Thalesesecurity Nshield Connect Firmware with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Thalesesecurity Nshield Connect Firmware
Published: 2017-08-18
Last modified: 2026-06-17

Description

Thales nShield Connect hardware models 500, 1500, 6000, 500+, 1500+, and 6000+ before 11.72 allows physically proximate attackers to sign arbitrary data with previously loaded signing keys, extract the device identification key [KNETI] and impersonate the nShield Connect device on a network, affect the integrity and confidentiality of newly created keys, and potentially cause other unspecified impacts using previously loaded keys by connecting to the USB port on the front panel.

Frequently asked questions

What is CVE-2015-1878?: Thales nShield Connect hardware models 500, 1500, 6000, 500+, 1500+, and 6000+ before 11.72 allows physically proximate attackers to sign arbitrary data with previously loaded signing keys, extract the device identification key [KNETI] and impersonate the nShield Connect device on a network, affect the integrity and confidentiality of newly created keys, and potentially cause other unspecified impacts using previously loaded keys by connecting to the USB port on the front panel.
How severe is CVE-2015-1878?: CVE-2015-1878 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-1878 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1878?: CVE-2015-1878 affects Thalesesecurity Nshield Connect Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-1878?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-1878 published?: CVE-2015-1878 was published on 2017-08-18 and last updated on 2026-06-17.

References

http://www.securitytracker.com/id/1032152

Affected products (1)

cpe:2.3:o:thalesesecurity:nshield_connect_firmware:*:*:*:*:*:*:*:*

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