CVE-2024-21644 | pyLoad unauthenticated flask configuration leakage

Exp

pyLoad is the free and open-source Download Manager written in pure Python. Any unauthenticated user can browse to a specific URL to expose the Flask config, including the `SECRET_KEY` variable. This issue has been patched in version 0.5.0b3.dev77.

Published: 2024-01-08 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-21644 is rated High Exploit Risk (82.6/100): CVSS High severity, with high exploitation likelihood (EPSS 89.28%, 100th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.78% over the last day, indicating growing attacker interest. 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-2024-21644

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

Exploit prediction scoring system (EPSS) score for CVE-2024-21644

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 2026-06-06 86.51% 89.28% +2.78%
2 2026-02-08 87.32% 86.51% -0.81%
3 2026-01-11 — 87.32% —

Full EPSS history (43 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-21644

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]
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]

Weakness enumeration for CVE-2024-21644

GitHub Security Advisory for CVE-2024-21644

GHSA-mqpq-2p68-46fv · Severity: high · Ecosystem: pip — pyload Unauthenticated Flask Configuration Leakage vulnerability

Affected software / configurations for CVE-2024-21644

Vendor Product Version Raw CPE
pyload pyload <= 0.4.9 cpe:2.3:a:pyload:pyload:*:*:*:*:*:*:*:*
pyload pyload 0.5.0 cpe:2.3:a:pyload:pyload:0.5.0:beta1:*:*:*:*:*:*
pyload pyload 0.5.0 cpe:2.3:a:pyload:pyload:0.5.0:beta2:*:*:*:*:*:*

References for CVE-2024-21644

cvelogic Threat Intelligence