CVE-2020-1841

Huawei CloudLink Board version 20.0.0; DP300 version V500R002C00; RSE6500 versions V100R001C00, V500R002C00, and V500R002C00SPC900; and TE60 versions V500R002C00, V600R006C00, V600R006C00SPC200, V600R006C00SPC300, V600R006C10, V600R019C00, and V600R019C00SPC100 have an information leak vulnerability. An unauthenticated, remote attacker can make a large number of attempts to guess information. Successful exploitation may cause information leak.

Published: 2020-02-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2020-1841 is rated Moderate Risk (50.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.97%). Mandatory action: 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-2020-1841

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 0.40% 0.97% +0.57%
2 2025-11-21 0.25% 0.40% +0.15%
3 2025-11-18 0.25%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-1841

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-2020-1841

Affected software / configurations for CVE-2020-1841

Vendor Product Version Raw CPE
huawei cloudlink_board_firmware 20.0.0 cpe:2.3:o:huawei:cloudlink_board_firmware:20.0.0:*:*:*:*:*:*:*
huawei dp300_firmware v500r002c00 cpe:2.3:o:huawei:dp300_firmware:v500r002c00:*:*:*:*:*:*:*
huawei rse6500_firmware v100r001c00 cpe:2.3:o:huawei:rse6500_firmware:v100r001c00:*:*:*:*:*:*:*
huawei rse6500_firmware v500r002c00 cpe:2.3:o:huawei:rse6500_firmware:v500r002c00:*:*:*:*:*:*:*
huawei rse6500_firmware v500r002c00spc900 cpe:2.3:o:huawei:rse6500_firmware:v500r002c00spc900:*:*:*:*:*:*:*
huawei te60_firmware v500r002c00 cpe:2.3:o:huawei:te60_firmware:v500r002c00:*:*:*:*:*:*:*
huawei te60_firmware v600r006c00 cpe:2.3:o:huawei:te60_firmware:v600r006c00:*:*:*:*:*:*:*
huawei te60_firmware v600r006c00spc200 cpe:2.3:o:huawei:te60_firmware:v600r006c00spc200:*:*:*:*:*:*:*
huawei te60_firmware v600r006c00spc300 cpe:2.3:o:huawei:te60_firmware:v600r006c00spc300:*:*:*:*:*:*:*
huawei te60_firmware v600r006c10 cpe:2.3:o:huawei:te60_firmware:v600r006c10:*:*:*:*:*:*:*
huawei te60_firmware v600r019c00 cpe:2.3:o:huawei:te60_firmware:v600r019c00:*:*:*:*:*:*:*
huawei te60_firmware v600r019c00spc100 cpe:2.3:o:huawei:te60_firmware:v600r019c00spc100:*:*:*:*:*:*:*

References for CVE-2020-1841

cvelogic Threat Intelligence