CVE-2018-19077

Exp

An issue was discovered on Foscam Opticam i5 devices with System Firmware 1.5.2.11 and Application Firmware 2.21.1.128. RtspServer allows remote attackers to cause a denial of service (daemon hang or restart) via a negative integer in the RTSP Content-Length header.

Published: 2018-11-07 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-19077 is rated High Exploit Risk (69.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.62%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2018-19077

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2018-19077

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-04 0.97% 0.62% -0.35%
2 2026-03-12 1.17% 0.97% -0.21%
3 2026-03-03 — 1.17% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-19077

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2018-19077

Affected software / configurations for CVE-2018-19077

Vendor Product Version Raw CPE
opticam i5_application_firmware 2.21.1.128 cpe:2.3:o:opticam:i5_application_firmware:2.21.1.128:*:*:*:*:*:*:*
opticam i5_system_firmware 1.5.2.11 cpe:2.3:o:opticam:i5_system_firmware:1.5.2.11:*:*:*:*:*:*:*
foscam c2_application_firmware 2.72.1.32 cpe:2.3:o:foscam:c2_application_firmware:2.72.1.32:*:*:*:*:*:*:*
foscam c2_system_firmware 1.11.1.8 cpe:2.3:o:foscam:c2_system_firmware:1.11.1.8:*:*:*:*:*:*:*

References for CVE-2018-19077

cvelogic Threat Intelligence