Cyber Resilience

CVE-2023-23949

XSS in Broadcom Symantec Identity Governance And Administration 14.3 … 14.4.2

XSS
Published
26 January 2023
Modified
02 April 2025
Patch / advisory
View advisory
CVSS Score v3.1 5.4
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0056 44th percentile
Risk Priority 42 floored blend · peak EPSS

Summary

CVE-2023-23949 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Broadcom Symantec Identity Governance And Administration. Its CVSS base score is 5.4 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Browser Session Hijacking (T1185); ranked at the 44th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability Data

An authenticated user can supply malicious HTML and JavaScript code that will be executed in the client browser.

CWE(s)
CWE-79CWE-779

Related Threats

MITRE ATT&CK Enterprise Techniques

T1185 Browser Session Hijacking Collection
Adversaries may take advantage of security vulnerabilities and inherent functionality in browser software to change content, modify user-behaviors, and intercept information as part of various browser session hijacking techniques.
attack.mitre.org →
T1539 Steal Web Session Cookie Credential Access
An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.
attack.mitre.org →
T1659 Content Injection Initial Access
Adversaries may gain access and continuously communicate with victims by injecting malicious content into systems through online network traffic.
attack.mitre.org →
T1189 Drive-by Compromise Initial Access
Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.
attack.mitre.org →
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-23950Same product: Broadcom Symantec Identity Governance And Administration
CVE-2023-23951Same product: Broadcom Symantec Identity Governance And Administration
CVE-2023-23954Same vendor: Broadcom
CVE-2023-37790Same vendor: Broadcom
CVE-2023-20868Same vendor: Broadcom
CVE-2023-23956Same vendor: Broadcom
CVE-2023-31928Same vendor: Broadcom
CVE-2023-25837Shared CWE-79
CVE-2023-22438Shared CWE-79
CVE-2023-27614Shared CWE-79

Affected Assets

broadcom
symantec identity governance and administration
14.3, 14.4.1, 14.4.2
broadcom
symantec identity manager
14.3, 14.4

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V1.1.2
  • V1.3.2

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AU-7 Audit Record Reduction and Report Generation
addresses: CWE-779

Audit record reduction explicitly manages excessive log volumes for review and reporting while preserving original content and ordering, reducing the impact of logging excessive data.

CA-8 Penetration Testing
addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation
addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering
addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

DE.AE-04 mostly match
degrades

Excessive logging hinders log processing and forensic analysis, largely undermining DE.AE-04's ability to estimate impact/scope via SIEMs or tools while removing most of that outcome's efficacy.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly target introduction of XSS via coding standards/testing (mostly), yet the single broad outcome leaves many specific neutralization vectors unaddressed (partial).

DE.AE-02 partial match
degrades

Excessive logging undermines event analysis by flooding logs with noise that hinders processing and forensic review, but does not blind or defeat the outcome the way insufficient logging would.

DE.AE-06 partial match
degrades

Excessive logging impairs processing of provided event data and log-analysis findings (one aspect of DE.AE-06) without fully defeating alert/ticket distribution.

PR.PS-02 partial match
prevents

Patching and EOL replacement can remediate known XSS instances in libraries or frameworks (partial) but do nothing to enforce input neutralization in application code (none).

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.15 Logging mostly match
prevents

A.8.15 directly requires logging to be configured so that only necessary events are recorded, preventing excessive data.

A.8.29 Security testing in development and acceptance mostly match
finds

Secure-coding testing and automated code-analysis tools are applied to detect improper neutralization of script-related content during web-page generation.

A.5.37 Documented operating procedures partial match
prevents

Documented operating procedures can include logging guidelines, indirectly reducing excessive logging.

A.5.6 Contact with special interest groups partial match
prevents

Knowledge exchange on emerging attack techniques and patches reduces the likelihood that cross-site scripting flaws remain unaddressed in deployed applications.

A.5.7 Threat intelligence partial match
prevents

Operational indicators of compromise for web-application attacks can be incorporated into WAF or input-filtering rules, lowering the likelihood that unsanitized data reaches the browser.

A.8.16 Monitoring activities partial match
prevents

Monitoring activities can detect excessive logging but do not prescribe how much data should be logged.

References