CVE-2019-19397

There is a weak algorithm vulnerability in some Huawei products. The affected products use weak algorithms by default. Attackers may exploit the vulnerability to cause information leaks.

Published: 2019-12-13 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-19397 is rated Moderate Risk (48.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.76%). 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-2019-19397

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 0.15% 0.76% +0.61%
2 2025-03-30 0.29% 0.15% -0.14%
3 2025-03-29 — 0.29% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-19397

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N 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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-19397

Affected software / configurations for CVE-2019-19397

Vendor Product Version Raw CPE
huawei s12700_firmware v200r007c00 cpe:2.3:o:huawei:s12700_firmware:v200r007c00:*:*:*:*:*:*:*
huawei s12700_firmware v200r007c01 cpe:2.3:o:huawei:s12700_firmware:v200r007c01:*:*:*:*:*:*:*
huawei s12700_firmware v200r007c20 cpe:2.3:o:huawei:s12700_firmware:v200r007c20:*:*:*:*:*:*:*
huawei s12700_firmware v200r008c00 cpe:2.3:o:huawei:s12700_firmware:v200r008c00:*:*:*:*:*:*:*
huawei s12700_firmware v200r010c00 cpe:2.3:o:huawei:s12700_firmware:v200r010c00:*:*:*:*:*:*:*
huawei s12700_firmware v200r011c10 cpe:2.3:o:huawei:s12700_firmware:v200r011c10:*:*:*:*:*:*:*
huawei s12700_firmware v200r012c00 cpe:2.3:o:huawei:s12700_firmware:v200r012c00:*:*:*:*:*:*:*
huawei s1700_firmware v200r006c10 cpe:2.3:o:huawei:s1700_firmware:v200r006c10:*:*:*:*:*:*:*
huawei s1700_firmware v200r010c00 cpe:2.3:o:huawei:s1700_firmware:v200r010c00:*:*:*:*:*:*:*
huawei s1700_firmware v200r011c10 cpe:2.3:o:huawei:s1700_firmware:v200r011c10:*:*:*:*:*:*:*
huawei s1700_firmware v200r012c00 cpe:2.3:o:huawei:s1700_firmware:v200r012c00:*:*:*:*:*:*:*
huawei s1700_firmware v200r012c20 cpe:2.3:o:huawei:s1700_firmware:v200r012c20:*:*:*:*:*:*:*
huawei s2700_firmware v200r006c00 cpe:2.3:o:huawei:s2700_firmware:v200r006c00:*:*:*:*:*:*:*
huawei s2700_firmware v200r006c10 cpe:2.3:o:huawei:s2700_firmware:v200r006c10:*:*:*:*:*:*:*
huawei s2700_firmware v200r007c00 cpe:2.3:o:huawei:s2700_firmware:v200r007c00:*:*:*:*:*:*:*
huawei s2700_firmware v200r008c00 cpe:2.3:o:huawei:s2700_firmware:v200r008c00:*:*:*:*:*:*:*
huawei s2700_firmware v200r010c00 cpe:2.3:o:huawei:s2700_firmware:v200r010c00:*:*:*:*:*:*:*
huawei s2700_firmware v200r011c00 cpe:2.3:o:huawei:s2700_firmware:v200r011c00:*:*:*:*:*:*:*
huawei s2700_firmware v200r011c10 cpe:2.3:o:huawei:s2700_firmware:v200r011c10:*:*:*:*:*:*:*
huawei s2700_firmware v200r012c00 cpe:2.3:o:huawei:s2700_firmware:v200r012c00:*:*:*:*:*:*:*
huawei s5700_firmware v200r005c00 cpe:2.3:o:huawei:s5700_firmware:v200r005c00:*:*:*:*:*:*:*
huawei s5700_firmware v200r005c02 cpe:2.3:o:huawei:s5700_firmware:v200r005c02:*:*:*:*:*:*:*
huawei s5700_firmware v200r005c03 cpe:2.3:o:huawei:s5700_firmware:v200r005c03:*:*:*:*:*:*:*
huawei s5700_firmware v200r006c00 cpe:2.3:o:huawei:s5700_firmware:v200r006c00:*:*:*:*:*:*:*
huawei s5700_firmware v200r007c00 cpe:2.3:o:huawei:s5700_firmware:v200r007c00:*:*:*:*:*:*:*
huawei s5700_firmware v200r008c00 cpe:2.3:o:huawei:s5700_firmware:v200r008c00:*:*:*:*:*:*:*
huawei s5700_firmware v200r010c00 cpe:2.3:o:huawei:s5700_firmware:v200r010c00:*:*:*:*:*:*:*
huawei s5700_firmware v200r011c00 cpe:2.3:o:huawei:s5700_firmware:v200r011c00:*:*:*:*:*:*:*
huawei s5700_firmware v200r011c10 cpe:2.3:o:huawei:s5700_firmware:v200r011c10:*:*:*:*:*:*:*
huawei s5700_firmware v200r012c00 cpe:2.3:o:huawei:s5700_firmware:v200r012c00:*:*:*:*:*:*:*
huawei s5700_firmware v200r012c20 cpe:2.3:o:huawei:s5700_firmware:v200r012c20:*:*:*:*:*:*:*
huawei s6700_firmware v200r005c00 cpe:2.3:o:huawei:s6700_firmware:v200r005c00:*:*:*:*:*:*:*
huawei s6700_firmware v200r005c01 cpe:2.3:o:huawei:s6700_firmware:v200r005c01:*:*:*:*:*:*:*
huawei s6700_firmware v200r005c02 cpe:2.3:o:huawei:s6700_firmware:v200r005c02:*:*:*:*:*:*:*
huawei s6700_firmware v200r008c00 cpe:2.3:o:huawei:s6700_firmware:v200r008c00:*:*:*:*:*:*:*
huawei s6700_firmware v200r010c00 cpe:2.3:o:huawei:s6700_firmware:v200r010c00:*:*:*:*:*:*:*
huawei s6700_firmware v200r011c00 cpe:2.3:o:huawei:s6700_firmware:v200r011c00:*:*:*:*:*:*:*
huawei s6700_firmware v200r011c10 cpe:2.3:o:huawei:s6700_firmware:v200r011c10:*:*:*:*:*:*:*
huawei s6700_firmware v200r012c00 cpe:2.3:o:huawei:s6700_firmware:v200r012c00:*:*:*:*:*:*:*
huawei s7700_firmware v200r006c00 cpe:2.3:o:huawei:s7700_firmware:v200r006c00:*:*:*:*:*:*:*
huawei s7700_firmware v200r007c00 cpe:2.3:o:huawei:s7700_firmware:v200r007c00:*:*:*:*:*:*:*
huawei s7700_firmware v200r008c00 cpe:2.3:o:huawei:s7700_firmware:v200r008c00:*:*:*:*:*:*:*
huawei s7700_firmware v200r010c00 cpe:2.3:o:huawei:s7700_firmware:v200r010c00:*:*:*:*:*:*:*
huawei s7700_firmware v200r011c10 cpe:2.3:o:huawei:s7700_firmware:v200r011c10:*:*:*:*:*:*:*
huawei s7700_firmware v200r012c00 cpe:2.3:o:huawei:s7700_firmware:v200r012c00:*:*:*:*:*:*:*
huawei s9700_firmware v200r006c00 cpe:2.3:o:huawei:s9700_firmware:v200r006c00:*:*:*:*:*:*:*
huawei s9700_firmware v200r007c00 cpe:2.3:o:huawei:s9700_firmware:v200r007c00:*:*:*:*:*:*:*
huawei s9700_firmware v200r007c01 cpe:2.3:o:huawei:s9700_firmware:v200r007c01:*:*:*:*:*:*:*
huawei s9700_firmware v200r008c00 cpe:2.3:o:huawei:s9700_firmware:v200r008c00:*:*:*:*:*:*:*
huawei s9700_firmware v200r010c00 cpe:2.3:o:huawei:s9700_firmware:v200r010c00:*:*:*:*:*:*:*
huawei s9700_firmware v200r011c10 cpe:2.3:o:huawei:s9700_firmware:v200r011c10:*:*:*:*:*:*:*
huawei s9700_firmware v200r012c00 cpe:2.3:o:huawei:s9700_firmware:v200r012c00:*:*:*:*:*:*:*

References for CVE-2019-19397

cvelogic Threat Intelligence