CVE-2020-29551

Exp

An issue was discovered in URVE Build 24.03.2020. Using the _internal/pc/shutdown.php path, it is possible to shutdown the system. Among others, the following files and scripts are also accessible: _internal/pc/abort.php, _internal/pc/restart.php, _internal/pc/vpro.php, _internal/pc/wake.php, _internal/error_u201409.txt, _internal/runcmd.php, _internal/getConfiguration.php, ews/autoload.php, ews/del.php, ews/mod.php, ews/sync.php, utils/backup/backup_server.php, utils/backup/restore_server.php, MyScreens/timeline.config, kreator.html5/test.php, and addedlogs.txt.

Published: 2020-12-23 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-29551 is rated High Exploit Risk (82.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.48%). 3 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-2020-29551

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

Exploit prediction scoring system (EPSS) score for CVE-2020-29551

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 2026-04-24 3.41% 3.48% +0.07%
2 2025-03-30 4.07% 3.41% -0.66%
3 2025-03-29 — 4.07% —

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-29551

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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:H)
Serious risk that confidential data gets exposed in a big 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 5.2 [email protected]
8.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 7.8 [email protected]

Weakness enumeration for CVE-2020-29551

Affected software / configurations for CVE-2020-29551

Vendor Product Version Raw CPE
urve urve 24.03.2020 cpe:2.3:a:urve:urve:24.03.2020:*:*:*:*:*:*:*

References for CVE-2020-29551

cvelogic Threat Intelligence