What is the CVSS score of CVE-2017-9248?

CVE-2017-9248 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 87.8%.

Is there a public PoC exploit available for CVE-2017-9248?

Yes, a public proof-of-concept exploit is available for CVE-2017-9248. Prioritise patching immediately. EPSS: 87.8%.

Progress CVE-2017-9248

CRITICAL

Insufficiently Protected Credentials (CWE-522)

2017-07-03 cve@mitre.org

XSS Sitefinity Progress Ui For Asp Net Ajax Telerik

9.8

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-522 OWASP Top 10:2025 A06:2025 - Insecure Design ASVS 5.0 V6 - Authentication Credential protection in transit/storage
Impact	CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. CISA has confirmed active exploitation in the wild. Public proof-of-concept exploit code is available. EPSS exploitation probability: 87.80%.
Exploit ScenarioDerived	A remote attacker could obtain user credentials due to weak protection mechanisms by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Emergency Immediate action required. Why: CRITICAL + in CISA KEV (actively exploited), no patch available.

Exploited in the wild (CISA KEV) No patch listed yet 87.8% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

Telerik.Web.UI.dll in Progress Telerik UI for ASP.NET AJAX before R2 2017 SP1 and Sitefinity before 10.0.6412.0 does not properly protect Telerik.Web.UI.DialogParametersEncryptionKey or the. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Actively exploited in the wild (cisa kev) and public exploit code available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Hash passwords with strong algorithms (bcrypt, argon2), encrypt credentials in transit and at rest, never log credentials.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Insufficiently Protected Credentials (CWE-522), which allows attackers to obtain user credentials due to weak protection mechanisms. Telerik.Web.UI.dll in Progress Telerik UI for ASP.NET AJAX before R2 2017 SP1 and Sitefinity before 10.0.6412.0 does not properly protect Telerik.Web.UI.DialogParametersEncryptionKey or the MachineKey, which makes it easier for remote attackers to defeat cryptographic protection mechanisms, leading to a MachineKey leak, arbitrary file uploads or downloads, XSS, or ASP.NET ViewState compromise. Affected products include: Progress Sitefinity, Telerik Ui For Asp.Net Ajax. Version information: before 10.0.6412.0.

Know when Progress gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Added to CISA KEV

Apr 21, 2026 - 15:31 CISA

CVE Published

Jul 03, 2017 - 19:29 cve.org

CRITICAL 9.8

DescriptionCVE.org

Telerik.Web.UI.dll in Progress Telerik UI for ASP.NET AJAX before R2 2017 SP1 and Sitefinity before 10.0.6412.0 does not properly protect Telerik.Web.UI.DialogParametersEncryptionKey or the MachineKey, which makes it easier for remote attackers to defeat cryptographic protection mechanisms, leading to a MachineKey leak, arbitrary file uploads or downloads, XSS, or ASP.NET ViewState compromise.

Threat Intelligence Overview

Threat Score

7.6/10

Composite threat intelligence

EPSS Score

87.8%

Top 1% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

NVD

CVE.org

CISA KEV

EPSS

Exploit-DB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV Yes

Public POC Yes

EPSS 87.8%

Patch available No

Active threat Yes

Deciding rule

CRITICAL + in CISA KEV (actively exploited), no patch available

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Immediate

Exploitation· derived

Active

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

High

Priority Score

207

Low Medium High Critical

KEV: +50

EPSS: +88

CVSS: +49

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Cross-Site Scripting MEDIUM

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)CVE.org

cpe:2.3:a:progress:sitefinity:*:*:*:*:*:*:*:*

cpe:2.3:a:telerik:ui_for_asp.net_ajax:*:*:*:*:*:*:*:*

More in Progress

View all

CVE-2024-2389 CRITICAL Emergency POC

9.8 Apr 02

In Flowmon versions prior to 11.1.14 and 12.3.5, an operating system command injection vulnerability has been identified

CVE-2024-1212 CRITICAL Emergency POC

9.8 Feb 21

Unauthenticated remote attackers can access the system through the LoadMaster management interface, enabling arbitrary s

CVE-2023-34362 CRITICAL Emergency POC

9.8 Jun 02

In Progress MOVEit Transfer before 2021.0.6 (13.0.6), 2021.1.4 (13.1.4), 2022.0.4 (14.0.4), 2022.1.5 (14.1.5), and 2023.

CVE-2024-1800 HIGH Act Now POC

8.8 Mar 20

In Progress® Telerik® Report Server versions prior to 2024 Q1 (10.0.24.130), a remote code execution attack is possible

CVE-2023-40044 HIGH Act Now POC

8.8 Sep 27

In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a pre-authenticated attacker could leverage a .NET deserialization v

CVE-2012-2601 HIGH Act Now POC

7.5 Aug 15

SQL injection vulnerability in WrVMwareHostList.asp in Ipswitch WhatsUp Gold 15.02 allows remote attackers to execute ar

CVE-2015-8261 CRITICAL Act Now POC

9.8 Jan 08

The DroneDeleteOldMeasurements implementation in Ipswitch WhatsUp Gold before 16.4 does not properly validate serialized

CVE-2026-2699 CRITICAL Act Now POC

9.8 Apr 02

Unauthenticated remote code execution affects Progress ShareFile Storage Zones Controller versions up to 5.12.3 via unau

CVE-2024-6671 CRITICAL Act Now POC

9.8 Aug 29

In WhatsUp Gold versions released before 2024.0.0, if the application is configured with only a single user, a SQL Injec

CVE-2024-6670 CRITICAL Act Now POC

9.8 Aug 29

In WhatsUp Gold versions released before 2024.0.0, a SQL Injection vulnerability allows an unauthenticated attacker to r

CVE-2024-4885 CRITICAL Act Now POC

9.8 Jun 25

In WhatsUp Gold versions released before 2023.1.3, an unauthenticated Remote Code Execution vulnerability in Progress Wh

CVE-2024-5806 CRITICAL Act Now POC

9.8 Jun 25

Improper Authentication vulnerability in Progress MOVEit Transfer (SFTP module) can lead to Authentication Bypass.0.0 be

Same weakness CWE-522 – Insufficiently Protected Credentials

View all

CVE-2021-30116 CRITICAL POC

9.8

CVE-2024-44000 CRITICAL POC

9.8

CVE-2023-6421 HIGH POC

7.5

CVE-2017-8225 CRITICAL POC

9.8

CVE-2025-25570 CRITICAL POC

9.8

CVE-2017-17106 CRITICAL POC

9.8

CVE-2017-8837 CRITICAL POC

9.8

CVE-2017-3192 CRITICAL

9.8

Same technique XSS

View all

CVE-2020-3580 MEDIUM POC

6.1

CVE-2013-1710 CRITICAL POC

10.0

CVE-2013-7389 MEDIUM POC

4.3

CVE-2021-25299 MEDIUM POC

6.1

CVE-2014-2120 MEDIUM

6.1

CVE-2023-40000 HIGH POC

8.3

CVE-2024-52875 HIGH POC

8.8

CVE-2016-8581 MEDIUM POC

6.1

References

Advisories & patches

ADVISORY http://www.telerik.com/blogs/security-alert-for-telerik-ui-for-asp.net-ajax-and-progress-sitefinity ADVISORY http://www.telerik.com/support/kb/aspnet-ajax/details/cryptographic-weakness REF http://www.securityfocus.com/bid/99965 REF https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9248

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back