What is the CVSS score of CVE-2015-1455?

CVE-2015-1455 has a CVSS 2.0 base score of 7.5 (High). CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. EPSS exploitation probability: 0.7%.

Fortiauthenticator CVE-2015-1455

HIGH

Credentials Management Errors (CWE-255)

2015-02-03 cve@mitre.org

Authentication Bypass Fortinet PostgreSQL Fortiauthenticator

7.5

CVSS 2.0 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-255 ASVS 5.0 V6 - Authentication Credentials management errors MITRE ATT&CK 1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 0.71%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.7% exploitation probability (EPSS)

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

Alert me

AnalysisAI

Fortinet FortiAuthenticator 3.0.0 has a password of (1) slony for the slony PostgreSQL user and (2) www-data for the www-data PostgreSQL user, which makes it easier for remote attackers to obtain. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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 under CWE-255. Fortinet FortiAuthenticator 3.0.0 has a password of (1) slony for the slony PostgreSQL user and (2) www-data for the www-data PostgreSQL user, which makes it easier for remote attackers to obtain access via unspecified vectors. Affected products include: Fortinet Fortiauthenticator.

Know when Fortiauthenticator 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 7.5 HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Confidentiality

Integrity

Availability

DescriptionCVE.org

Threat Intelligence Overview

EPSS Score

0.7%

Top 28% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

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 HIGH

CISA KEV No

Public POC No

EPSS 0.7%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:fortinet:fortiauthenticator:3.0.0:*:*:*:*:*:*:*

More in Fortiauthenticator

View all

CVE-2015-1458 MEDIUM This Month POC

6.9 Feb 03

Fortinet FortiAuthenticator 3.0.0 allows local users to bypass intended restrictions and gain privileges by creating /tm

CVE-2013-6990 CRITICAL Act Now

9.0 Apr 30

FortiGuard FortiAuthenticator before 3.0 allows remote administrators to gain privileges via the command line interface.

CVE-2015-1457 MEDIUM This Month POC

4.9 Feb 03

Fortinet FortiAuthenticator 3.0.0 allows local users to read arbitrary files via the -f flag to the dig command. Rated m

CVE-2015-1459 MEDIUM This Month POC

4.3 Feb 03

Cross-site scripting (XSS) vulnerability in Fortinet FortiAuthenticator 3.0.0 allows remote attackers to inject arbitrar

CVE-2021-43068 HIGH This Week

8.1 Dec 09

A improper authentication in Fortinet FortiAuthenticator version 6.4.0 allows user to bypass the second factor of authen

CVE-2025-53379 HIGH This Week

7.5 Jul 14

Information disclosure in Fortinet FortiAuthenticator (6.5 all versions and 6.6.0–6.6.2) lets a remote unauthenticated a

CVE-2021-22124 HIGH This Week

7.5 Aug 04

An uncontrolled resource consumption (denial of service) vulnerability in the login modules of FortiSandbox 3.2.0 throug

CVE-2021-24005 HIGH This Week

7.5 Jul 06

Usage of hard-coded cryptographic keys to encrypt configuration files and debug logs in FortiAuthenticator versions befo

CVE-2026-21743 HIGH This Week

7.2 Feb 10

FortiAuthenticator 6.3 through 6.6.6 allows read-only users to modify local user accounts by uploading files to an unpro

CVE-2021-43067 MEDIUM This Month

6.5 Dec 08

A exposure of sensitive information to an unauthorized actor in Fortinet FortiAuthenticator version 6.4.0, version 6.3.2

CVE-2024-23664 MEDIUM This Month

6.1 Jun 03

A URL redirection to untrusted site ('open redirect') in Fortinet FortiAuthenticator version 6.6.0, version 6.5.3 and be

CVE-2018-9186 MEDIUM This Month

6.1 May 31

A cross-site scripting (XSS) vulnerability in Fortinet FortiAuthenticator in versions 4.0.0 to before 5.3.0 "CSRF valida

Same weakness CWE-255 – Credentials Management Errors

View all

CVE-2014-1812 HIGH POC

8.8

CVE-2016-7456 CRITICAL POC

9.8

CVE-2012-1493 HIGH POC

7.8

CVE-2012-4933 HIGH POC

7.8

CVE-2013-4786 HIGH POC

7.5

CVE-2013-3502 MEDIUM POC

6.5

CVE-2015-7251 CRITICAL POC

9.8

CVE-2013-6884 CRITICAL POC

10.0

Same technique Authentication Bypass

View all

CVE-2015-3306 CRITICAL POC

10.0

CVE-2023-22515 CRITICAL POC

9.8

CVE-2012-4681 CRITICAL POC

9.8

CVE-2013-2465 CRITICAL POC

9.8

CVE-2011-3544 CRITICAL POC

9.8

CVE-2022-40684 CRITICAL POC

9.8

CVE-2025-61882 CRITICAL POC

9.8

CVE-2024-0012 CRITICAL POC

9.3

References

Advisories & patches

ADVISORY http://www.fortiguard.com/advisory/FG-IR-15-003/ REF http://packetstormsecurity.com/files/130156/Fortinet-FortiAuthenticator-XSS-Disclosure-Bypass.html REF http://www.security-assessment.com/files/documents/advisory/Fortinet_FortiAuthenticator_Multiple_Vulnerabilities.pdf REF http://www.securityfocus.com/bid/72378

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back