How severe is CVE-2018-12667?

CVE-2018-12667 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-12667 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12667?

CVE-2018-12667 primarily affects Sv3c H.264 Poe Ip Camera Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-12667?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-12667 published?

CVE-2018-12667 was published on 2018-10-19 and last updated on 2026-06-17.

CVE-2018-12667

CVE-2018-12667 is a critical-severity vulnerability in Sv3c H.264 Poe Ip Camera Firmware with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Sv3c H.264 Poe Ip Camera Firmware
Published: 2018-10-19
Last modified: 2026-06-17

Description

The SV3C HD Camera (L-SERIES V2.3.4.2103-S50-NTD-B20170508B and V2.3.4.2103-S50-NTD-B20170823B) is affected by an improper authentication vulnerability that allows requests to be made to back-end CGI scripts without a valid session. This vulnerability could be used to read and modify the configuration. The vulnerability affects all versions.

Frequently asked questions

What is CVE-2018-12667?: The SV3C HD Camera (L-SERIES V2.3.4.2103-S50-NTD-B20170508B and V2.3.4.2103-S50-NTD-B20170823B) is affected by an improper authentication vulnerability that allows requests to be made to back-end CGI scripts without a valid session. This vulnerability could be used to read and modify the configuration. The vulnerability affects all versions.
How severe is CVE-2018-12667?: CVE-2018-12667 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-12667 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12667?: CVE-2018-12667 primarily affects Sv3c H.264 Poe Ip Camera Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-12667?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-12667 published?: CVE-2018-12667 was published on 2018-10-19 and last updated on 2026-06-17.

References

https://www.bishopfox.com/news/2018/10/sv3c-l-series-hd-camera-multiple-vulnerabilities/

Affected products (2)

cpe:2.3:o:sv3c:h.264_poe_ip_camera_firmware:v2.3.4.2103-s50-ntd-b20170508b:*:*:*:*:*:*:*
cpe:2.3:o:sv3c:h.264_poe_ip_camera_firmware:v2.3.4.2103-s50-ntd-b20170823b:*:*:*:*:*:*:*

More vulnerabilities in Sv3c H.264 Poe Ip Camera Firmware

CVE-2018-12671 — Critical (CVSS 9.8): An attacker with remote access to the SV3C HD Camera (L-SERIES V2.3.4.2103-S50-NTD-B20170508B and…
CVE-2018-12670 — Critical (CVSS 9.8): SV3C L-SERIES HD CAMERA V2.3.4.2103-S50-NTD-B20170508B and V2.3.4.2103-S50-NTD-B20170823B devices allow OS Command…
CVE-2018-12668 — Critical (CVSS 9.8): SV3C L-SERIES HD CAMERA V2.3.4.2103-S50-NTD-B20170508B and V2.3.4.2103-S50-NTD-B20170823B devices have a Hard-coded…
CVE-2018-12666 — Critical (CVSS 9.8): SV3C L-SERIES HD CAMERA V2.3.4.2103-S50-NTD-B20170508B devices improperly identifies users only by the authentication…
CVE-2018-12669 — High (CVSS 8.8): SV3C L-SERIES HD CAMERA V2.3.4.2103-S50-NTD-B20170508B and V2.3.4.2103-S50-NTD-B20170823B devices allow remote…
CVE-2018-12673 — High (CVSS 7.5): An attacker with remote access to the SV3C HD Camera (L-SERIES V2.3.4.2103-S50-NTD-B20170508B and…

All CVEs affecting Sv3c H.264 Poe Ip Camera Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →