// For flags

CVE-2015-4054

Gentoo Linux Security Advisory 201701-24

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

PgBouncer before 1.5.5 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by sending a password packet before a startup packet.

PgBouncer versiones anteriores a la 1.5.5 permite a un atacante remoto causar un denegación de servicio (referencia a puntero nulo y caída de aplicación) enviando un paquete password antes de un paquete startup.

Multiple vulnerabilities have been found in PgBouncer, the worst of which may allow an attacker to bypass authentication. Versions less than 1.7.2 are affected.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2015-05-21 CVE Reserved
  • 2017-01-11 CVE Published
  • 2024-08-06 CVE Updated
  • 2024-08-06 First Exploit
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-476: NULL Pointer Dereference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Pgbouncer
Search vendor "Pgbouncer"
 Pgbouncer
Search vendor "Pgbouncer" for product "Pgbouncer"
 <= 1.5.4
Search vendor "Pgbouncer" for product "Pgbouncer" and version " <= 1.5.4"
-
Affected