CVE-2019-15240 | Cisco SPA100 Series Analog Telephone Adapters Remote Code Execution Vulnerabilities

Multiple vulnerabilities in Cisco SPA100 Series Analog Telephone Adapters (ATAs) could allow an authenticated, adjacent attacker to execute arbitrary code with elevated privileges. The vulnerabilities are due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit these vulnerabilities by authenticating to the web-based management interface and sending crafted requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code with elevated privileges. Note: The web-based management interface is enabled by default.

Published: 2019-10-16 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-15240 is rated Moderate Risk (47.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.58%). Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2019-15240

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 2026-06-15 0.27% 0.58% +0.31%
2 2025-11-21 0.12% 0.27% +0.14%
3 2025-11-18 — 0.12% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-15240

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.0 3.1 HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:A)
Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
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:L)
A normal user session is enough; they don’t have to be admin.
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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.1 5.9 [email protected]
8.0 3.0 HIGH
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:A)
Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
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:L)
A normal user session is enough; they don’t have to be admin.
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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.1 5.9 [email protected]
5.2 2.0 MEDIUM
AV:A/AC:L/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 5.1 6.4 [email protected]

Weakness enumeration for CVE-2019-15240

Affected software / configurations for CVE-2019-15240

Vendor Product Version Raw CPE
cisco spa112_firmware < 1.4.1 cpe:2.3:o:cisco:spa112_firmware:*:*:*:*:*:*:*:*
cisco spa112_firmware 1.4.1 cpe:2.3:o:cisco:spa112_firmware:1.4.1:-:*:*:*:*:*:*
cisco spa112_firmware 1.4.1 cpe:2.3:o:cisco:spa112_firmware:1.4.1:sr1:*:*:*:*:*:*
cisco spa112_firmware 1.4.1 cpe:2.3:o:cisco:spa112_firmware:1.4.1:sr2:*:*:*:*:*:*
cisco spa112_firmware 1.4.1 cpe:2.3:o:cisco:spa112_firmware:1.4.1:sr3:*:*:*:*:*:*
cisco spa112_firmware 1.4.1 cpe:2.3:o:cisco:spa112_firmware:1.4.1:sr4:*:*:*:*:*:*
cisco spa122_firmware < 1.4.1 cpe:2.3:o:cisco:spa122_firmware:*:*:*:*:*:*:*:*
cisco spa122_firmware 1.4.1 cpe:2.3:o:cisco:spa122_firmware:1.4.1:-:*:*:*:*:*:*
cisco spa122_firmware 1.4.1 cpe:2.3:o:cisco:spa122_firmware:1.4.1:sr1:*:*:*:*:*:*
cisco spa122_firmware 1.4.1 cpe:2.3:o:cisco:spa122_firmware:1.4.1:sr2:*:*:*:*:*:*
cisco spa122_firmware 1.4.1 cpe:2.3:o:cisco:spa122_firmware:1.4.1:sr3:*:*:*:*:*:*
cisco spa122_firmware 1.4.1 cpe:2.3:o:cisco:spa122_firmware:1.4.1:sr4:*:*:*:*:*:*

References for CVE-2019-15240

cvelogic Threat Intelligence