CVE-2020-11817

CRITICAL

In Rukovoditel V2.5.2, attackers can upload an arbitrary file to the server just changing the the content-type value. As a result of that, an attacker can execute a command on the server. This spec...

Affects 1 product across 1 vendor.

CVSS 3.19.8
EPSS2.0%
Percentile80th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-434: Unrestricted Upload of File with Dangerous Type

Application allows file uploads without validating type, enabling upload of executable code or web shells.

Related Attack Patterns (CAPEC)
CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs
via CWE-434

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

CVE-2020-11817 in Rukovoditel V2.5.2 allows attackers to upload arbitrary files by manipulating the content-type header, leading to remote code execution when the Maintenance Mode is enabled.

BSID: BS-2020-GLOBAL-186073-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2020-11817?
CVE-2020-11817 in Rukovoditel V2.5.2 allows attackers to upload arbitrary files by manipulating the content-type header, leading to remote code execution when the Maintenance Mode is enabled.
What is the CVSS score for CVE-2020-11817?
CVE-2020-11817 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 2.0%.
Is CVE-2020-11817 actively exploited?
No confirmed active exploitation of CVE-2020-11817 as of 2026-09-25.
How do I remediate CVE-2020-11817?
Priority: IMMEDIATE.
What systems are affected by CVE-2020-11817?
CVE-2020-11817 affects Rukovoditel Rukovoditel.
Vulnerability Details
CVE IDCVE-2020-11817
BSIDBS-2020-GLOBAL-186073-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2020-04-27
Last Modified2026-06-17
ICS Relevance0%
Weakness (CWE)
Unrestricted Upload of File with Dangerous Type
SourceNVD
Official Description

In Rukovoditel V2.5.2, attackers can upload an arbitrary file to the server just changing the the content-type value. As a result of that, an attacker can execute a command on the server. This specific attack only occurs with the Maintenance Mode setting.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

An attacker can exploit this vulnerability by uploading a malicious file with a modified content-type header while the application is in Maintenance Mode. This can lead to arbitrary code execution on the server.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Rukovoditel Rukovoditel 2.5.2
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2362 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash1c6bdcb18a50e4c28e7476e5ce4d1d840f43271ba2b217478043e1f6ac09e18749a888e79c491f066ac00c25a1268551bb7eeaf1c369881b416d89cc67bb5786
Related CVEs affecting Rukovoditel
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