CVE-2023-27378
BIG-IP TMUI XSS vulnerability
Multiple reflected cross-site scripting (XSS) vulnerabilities exist in undisclosed pages of the BIG-IP Configuration utility which allow an attacker to run JavaScript in the context of the currently logged-in user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
BIG-IP TMUI XSS vulnerability
Multiple reflected cross-site scripting (XSS) vulnerabilities exist in undisclosed pages of the BIG-IP Configuration utility which allow an attacker to run JavaScript in the context of the currently logged-in user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- Record
CVE-2023-27378- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2023-31154
Multiple reflected cross-site scripting (XSS) vulnerabilities exist in undisclosed pages of the BIG-IP Configuration utility which allow an attacker to run JavaScript in the context of the currently logged-in user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- Record
EUVD-2023-31154- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mr98-3f93-6qw6
Multiple reflected cross-site scripting (XSS) vulnerabilities exist in undisclosed pages of the...
Multiple reflected cross-site scripting (XSS) vulnerabilities exist in undisclosed pages of the BIG-IP Configuration utility which allow an attacker to run JavaScript in the context of the currently logged-in user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- Record
GHSA-mr98-3f93-6qw6- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Multiple reflected cross-site scripting (XSS) vulnerabilities exist in undisclosed pages of the BIG-IP Configuration utility which allow an attacker to run JavaScript in the context of the currently logged-in user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- Record
CVE-2023-27378- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
- f5 big-ip
- f5 big-ip access policy manager
- f5 big-ip advanced firewall manager
- f5 big-ip advanced web application firewall
- f5 big-ip analytics
- f5 big-ip application acceleration manager
- f5 big-ip application security manager
- f5 big-ip application visibility and reporting
- f5 big-ip carrier-grade nat
- f5 big-ip ddos hybrid defender
- f5 big-ip domain name system
- f5 big-ip edge gateway
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-27378 is a high vulnerability (CVSS 7.5) in F5 Big-ip, published May 3, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. No source names a fixed version.