CVE-2025-20337
Cisco Identity Services Engine Injection Vulnerabi - [Actively Exploited]
Description
A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as root. The attacker does not require any valid credentials to exploit this vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to obtain root privileges on an affected device.
INFO
Published Date :
July 16, 2025, 5:15 p.m.
Last Modified :
July 29, 2025, 1 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
6.0
Exploitability Score :
3.9
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Cisco Identity Services Engine contains an injection vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC due to insufficient validation of user-supplied input allowing an attacker to exploit this vulnerability by submitting a crafted API request. Successful exploitation could allow an attacker to perform remote code execution and obtaining root privileges on an affected device.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6 ; https://nvd.nist.gov/vuln/detail/CVE-2025-20337
Public PoC/Exploit Available at Github
CVE-2025-20337 has a 4 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2025-20337
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-20337.
| URL | Resource |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6 | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
None
Python
CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.
Python
📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
security cve exploit poc vulnerability
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-20337 vulnerability anywhere in the article.
-
europa.eu
Cyber Brief 25-08 - July 2025
Cyber Brief (July 2025)August 4, 2025 - Version: 1TLP:CLEARExecutive summaryWe analysed 287 open source reports for this Cyber Brief1.Relating to cyber policy and law enforcement, the EU, UK, and US h ... Read more
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The Cyber Express
CISA Adds Cisco ISE and PaperCut Vulnerabilities to Known Exploited Vulnerabilities Catalog
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued a critical alert, adding three high-impact vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog. These inclu ... Read more
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CybersecurityNews
CISA Warns of Cisco Identity Services Engine Vulnerability Exploited in Attacks
CISA has issued an urgent warning regarding two critical injection vulnerabilities in Cisco’s Identity Services Engine (ISE) that threat actors are actively exploiting. The vulnerabilities, tracked as ... Read more
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TheCyberThrone
CISA adds CISCO ISE and PaperCut MF flaws to KEV Catalog
Skip to content July 29, 2025The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added three significant vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog on July 2 ... Read more
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BleepingComputer
Exploit available for critical Cisco ISE bug exploited in attacks
Security researcher Bobby Gould has published a blog post demonstrating a complete exploit chain for CVE-2025-20281, an unauthenticated remote code execution vulnerability in Cisco Identity Services E ... Read more
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Zero Day Initiative
CVE-2025-20281: Cisco ISE API Unauthenticated Remote Code Execution Vulnerability
On January 25th, 2025, the Trend Zero Day Initiative (ZDI) received a report from Kentaro Kawane of GMO Cybersecurity by Ierae regarding a deserialization of untrusted data vulnerability in Cisco Iden ... Read more
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security.nl
Shadowserver: kritiek Cisco ISE-lek sinds 5 juli misbruik bij aanvallen
Een kritieke kwetsbaarheid in Cisco Identity Services Engine (ISE) en Cisco ISE Passive Identity Connector (ISE-PIC) is sinds 5 juli misbruikt bij aanvallen, zo stelt The Shadowserver Foundation, een ... Read more
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The Register
No login? No problem: Cisco ISE flaw gave root access before fix arrived, say researchers
Threat actors have actively exploited a newly patched vulnerability in Cisco's Identity Services Engine (ISE) software since early July, weeks before the networking giant got around to issuing a fix. ... Read more
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Help Net Security
Maximum severity Cisco ISE vulnerabilities exploited by attackers
One or more vulnerabilities affecting Cisco Identity Services Engine (ISE) are being exploited in the wild, Cisco has confirmed by updating the security advisory for the flaws. About the vulnerabiliti ... Read more
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security.nl
Cisco waarschuwt voor actief misbruik van kritieke ISE-kwetsbaarheden
Aanvallers maken actief misbruik van kritieke kwetsbaarheden in Cisco Identity Services Engine (ISE) en Cisco ISE Passive Identity Connector (ISE-PIC) waardoor kwetsbare servers volledig op afstand zi ... Read more
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BleepingComputer
Cisco: Maximum-severity ISE RCE flaws now exploited in attacks
Cisco is warning that three recently patched critical remote code execution vulnerabilities in Cisco Identity Services Engine (ISE) are now being actively exploited in attacks. Although the vendor did ... Read more
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The Hacker News
Cisco Confirms Active Exploits Targeting ISE Flaws Enabling Unauthenticated Root Access
Jul 22, 2025Ravie LakshmananNetwork Security / Vulnerability Cisco on Monday updated its advisory of a set of recently disclosed security flaws in Identity Services Engine (ISE) and ISE Passive Iden ... Read more
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CybersecurityNews
Cisco Warns of Identity Services Engine RCE Vulnerability Exploited in the Wild
Cisco Systems has issued a critical security advisory warning of multiple remote code execution vulnerabilities in its Identity Services Engine (ISE) that are being actively exploited by attackers in ... Read more
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Daily CyberSecurity
Urgent: Cisco ISE Flaws (CVSS 10.0) Actively Exploited in the Wild – Patch Immediately!
Cisco has issued an urgent update to its security advisory, revealing that three critical remote code execution (RCE) vulnerabilities in Cisco Identity Services Engine (ISE) and ISE-PIC are being acti ... Read more
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The Cyber Express
CrushFTP Servers Hit by Critical Zero-Day Vulnerability CVE-2025-54309
A new zero-day vulnerability in CrushFTP file transfer servers is being actively exploited by cybercriminals, compromising systems around the world. Tracked as CVE-2025-54309, the CrushFTP zero-day vu ... Read more
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The Cyber Express
Zero-Day Vulnerability Hits Microsoft SharePoint, Urgent Patch Issued
Microsoft has issued a warning about active cyberattacks targeting on-premises SharePoint servers widely used by government agencies and businesses. The cyberattacks exploit a zero-day vulnerability t ... Read more
-
CybersecurityNews
Weekly Cybersecurity Newsletter: Chrome 0-Day, VMware Flaws Patched, Fortiweb Hack, Teams Abuse, and More
It’s been a busy seven days for security alerts. Google is addressing another actively exploited zero-day in Chrome, and VMware has rolled out key patches for its own set of vulnerabilities. We’ll als ... Read more
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TheCyberThrone
VMware Fixes Vulnerabilities Exploited at Pwn2Own Berlin
Following successful live exploit demonstrations at the Pwn2Own Berlin 2025 security competition held in May, VMware has patched four zero-day vulnerabilities affecting several of its virtualization p ... Read more
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The Cyber Express
Ivanti Bugs Exploited Even After Three Months of Patch Availability
Japan’s cyber defenders have raised the red flag, once again, for a set of Ivanti Connect Secure vulnerabilities that continue to be exploited to present day, although a patch has been available for t ... Read more
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security.nl
Cisco waarschuwt voor kritieke kwetsbaarheden Cisco ISE en Cisco ISE-PIC
Cisco waarschuwt voor meerdere critical kwetsbaarheden in Cisco Identity Services Engine (ISE) en Cisco ISE Passive Identity Connector (ISE-PIC). De kwetsbaarheden stellen kwaadwillenden in staat om a ... Read more
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The Cyber Express
New Cisco Bugs Rated CVSS 10.0, Patch Immediately
Cisco has issued a new security advisory warning of newly discovered vulnerabilities in its Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC), revealing serious security flaw ... Read more
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TheCyberThrone
CVE-2025-20337: Cisco ISE Critical RCE Vulnerability
Skip to content July 18, 2025SummaryCVE-2025-20337 is a critical remote code execution (RCE) vulnerability affecting Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE- ... Read more
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The Register
Watch out, another max-severity, make-me-root Cisco bug on the loose
Cisco has issued a patch for a critical 10 out of 10 severity bug in its Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) that could allow an unauthenticated, remote attacke ... Read more
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BleepingComputer
Max severity Cisco ISE bug allows pre-auth command execution, patch now
A critical vulnerability (CVE-2025-20337) in Cisco's Identity Services Engine (ISE) could be exploited to let an unauthenticated attacker store malicious files, execute arbitrary code, or gain root pr ... Read more
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Daily CyberSecurity
Made by Google 2025: Pixel 10, Pixel Watch 4, and More AI Innovations Revealed
Image: Google Google has confirmed that this year’s Made by Google event will take place on August 20 at 1 PM Eastern Time, returning to New York City. The highly anticipated Pixel 10 lineup is expect ... Read more
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Daily CyberSecurity
Critical Cisco ISE Flaw CVE-2025-20337 (CVSS 10.0) Allows Unauthenticated Root RCE – Patch Immediately
A critical vulnerability was found in Cisco Identity Services Engine (ISE) and Cisco ISE-PIC. Tracked as CVE-2025-20337, the flaw is rated a maximum CVSS score of 10, highlighting its severity and pot ... Read more
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Daily CyberSecurity
SonicWall SMA Devices Under Attack: UNC6148 Deploys OVERSTEP Rootkit for Persistent Access
Google’s Threat Intelligence Group (GTIG) uncovers a stealthy, sophisticated campaign led by a financially motivated actor tracked as UNC6148. This campaign targets end-of-life SonicWall Secure Mobile ... Read more
The following table lists the changes that have been made to the
CVE-2025-20337 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
Jul. 29, 2025
Action Type Old Value New Value Added Date Added 2025-07-28 Added Due Date 2025-08-18 Added Required Action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Added Vulnerability Name Cisco Identity Services Engine Injection Vulnerability -
Initial Analysis by [email protected]
Jul. 17, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:cisco:identity_services_engine:3.4.0:-:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine:3.3.0:-:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch1:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch2:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch3:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch4:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch6:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch5:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch1:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:-:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch1:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch5:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch4:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch3:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch2:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch1:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:-:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch6:*:*:*:*:*:* Added Reference Type Cisco Systems, Inc.: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6 Types: Vendor Advisory -
New CVE Received by [email protected]
Jul. 16, 2025
Action Type Old Value New Value Added Description A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as root. The attacker does not require any valid credentials to exploit this vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to obtain root privileges on an affected device. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Added CWE CWE-74 Added Reference https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-20337 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-20337
weaknesses.