Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessObtain valid ISE admin credentials
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ExploitSend crafted REST API request with SQL in parameter
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ExecutionInjected SQL executes against session DB
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ImpactRead session database records
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Parameterized queries, prepared statements
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Persistence The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | Requires valid administrative credentials for Cisco ISE or ISE-PIC (PR:H) - the description explicitly states 'the attacker must have valid administrative credentials.' Exploitation is network-remote against the REST APIs (AV:N) with low complexity (AC:L) and no user interaction, but is gated entirely by prior administrative authentication. Affected: Cisco ISE and ISE-PIC releases 3.1 through 3.5. Impact is limited to reading the session database (C:H, no write or availability impact). The high-privilege prerequisite is the dominant limiting factor: only an actor who already has admin access can exploit it, reducing this to a post-authentication data-disclosure/escalation concern rather than an initial-access vector. |
| Impact | This is a genuinely lower-priority issue despite affecting a critical enterprise product. The CVSS 3.1 vector (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N, base 4.9 Medium) tells the real story: PR:H means the attacker must already hold valid administrative credentials, which sharply narrows the realistic threat population. Impact is confidentiality-only (C:H, I:N, A:N) - the flaw permits reading from the session database but no data modification or availability loss, consistent with the description's 'read information from the session database.' No EPSS score, no CISA KEV listing, and no public POC were provided, so there is no signal of active or imminent exploitation. There is no SSVC data supplied. The signals are internally consistent: a network-reachable but high-privilege, read-only SQL injection. The main caveat is the semantic mismatch typical of these authenticated flaws - an admin already able to query ISE via authorized means gains limited additional value from SQLi, so the practical risk is post-compromise data exfiltration or lateral escalation rather than initial access. Contrast with the unauthenticated ISE SQLi CVE-2026-20247 (PR:N), which is a far higher real-world priority. |
| Exploit ScenarioDerived | An attacker who has already obtained valid ISE administrative credentials (via phishing, credential reuse, or an insider) sends a crafted REST API request embedding SQL statements in a vulnerable, unparameterized parameter. The injected SQL executes against the session database, letting the attacker read session records beyond what the API normally exposes. No public exploit code was identified at time of analysis, and successful use requires the attacker to first hold administrative access. |
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Alert meAnalysisAIv1 – Sep 16, 2026
SQL injection in the REST APIs of Cisco Identity Services Engine (ISE) and the ISE Passive Identity Connector (ISE-PIC) allows an attacker who already holds valid administrative credentials to read information from the session database, with no integrity or availability impact. The vector is network-reachable, low complexity, and requires no user interaction, but the PR:H prerequisite confines this to a post-authentication data-disclosure/escalation concern rather than an initial-access vector. No public exploit code has been identified at time of analysis and there is no evidence of active exploitation; given the administrative credential requirement and read-only impact, this is a lower-priority issue despite the criticality of the affected product.
RemediationAI
No vendor-released patch is identified in the available data, so the authoritative next step is to review the Cisco Security Advisory (https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multi-hrP9jQSQ) for the fixed software release for each affected train and upgrade ISE and ISE-PIC accordingly - Cisco advisories of this type typically publish per-train fixed versions and workarounds in the 'Fixed Software' and 'Workarounds' sections, and given the breadth of builds listed, plan upgrades from 3.1/3.2 first as those are older trains. Until a fixed release is applied, treat this as an insider/post-authentication risk and reduce the blast radius of a compromised admin account: enforce least-privilege RBAC in ISE so that only the small set of super-admin accounts that genuinely need full access can reach the vulnerable REST API endpoints, and split day-to-day administration into lower-privilege roles (trade-off: some operational workflows will require re-authorization under elevated accounts). Restrict administrative access to the ISE REST APIs on TCP 443 to trusted management networks, jump hosts or a VPN/ACL boundary so a stolen credential alone is not sufficient from an arbitrary network position (trade-off: adds a hop for administrators and mandates ACL maintenance). Disable or lock unused and stale administrative accounts and rotate credentials for any account with full admin rights, since the exploit requires valid administrative credentials. Because exploitation is read-only against the session database, treat suspicious read patterns as a detection opportunity: monitor ISE admin audit logs and REST API access logs for anomalous or unrecognized query parameters from administrative accounts, and forward them to a SIEM for correlation (trade-off: high-volume audit logging requires tuning to avoid noise). Note that these are compensating controls, not fixes - they reduce exposure and detect abuse but do not remove the underlying SQL injection flaw.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 2 packages in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
The root cause is CWE-89 (SQL Injection): certain REST API parameters are concatenated directly into SQL clauses instead of being bound through parameterized statements or prepared queries, so attacker-supplied input is interpreted as SQL syntax by the session database backend. Because the query targets the session database, a successful injection yields read access to session records rather than code execution or persistent modification - the CVSS vector reflects exactly this with C:H alongside I:N/A:N. The affected CPE identifiers are cpe:2.3:a:cisco:cisco_identity_services_engine_software and cpe:2.3:a:cisco:cisco_ise_passive_identity_connector (both version-wildcarded, indicating the whole product line is in scope per the vendor record), while ENISA EUVD enumerates specific impacted builds across the 3.1, 3.2, 3.3, 3.4 and 3.5 release trains of both ISE and ISE-PIC. ISE is a network access control and identity platform that holds authentication, authorization and accounting state along with session metadata (endpoint identities, MAC and IP mappings, posture and profiler data), so the session database is sensitive reconnaissance material for an actor already sitting in an administrative position. The high-privilege prerequisite (PR:H) is the dominant limiting factor: this is not a path to obtain administrative access, but a mechanism by which an existing administrator - or someone who has compromised an administrative account - can exfiltrate data beyond what the UI/API normally exposes.
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Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Network REST API and low complexity, but valid administrative credentials required (PR:H); read-only session-DB disclosure gives C:H with I:N/A:N.
Primary rating from Vendor (cisco).
CVSS VectorVendor: cisco
DescriptionCVE.org
A vulnerability in the REST APIs of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to conduct SQL injection attacks against the session database.
This vulnerability is due to certain parameters being concatenated directly into SQL clauses without parameterization. An attacker could exploit this vulnerability by sending a crafted request that contains SQL statements in one of the affected parameters. A successful exploit could allow the attacker to read information from the session database. To exploit this vulnerability, the attacker must have valid administrative credentials.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.
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Cisco ISE and Cisco ISE-PIC can be taken over by an unauthenticated, remote attacker who reaches the REST API web servic
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Command injection in Cisco Identity Services Engine (ISE) and ISE Passive Identity Connector (PIC) allows authenticated
Remote code execution and privilege escalation in Cisco Identity Services Engine allows authenticated attackers with Rea
Authenticated remote command execution in Cisco Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-P
SQL injection in the SXP REST API of Cisco Identity Services Engine (ISE) lets a remote attacker who already holds valid
Command injection in Cisco Identity Services Engine (ISE) allows an authenticated, high-privileged remote administrator
Improper input validation in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) all
Cisco Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) contain multiple internally discovered
EUVD-2026-81145
GHSA-v3qp-3mjr-g4hr
NVD
CVE.org
EPSS
Exploit-DB