CVE-2021-22948

Severity Score

7.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Vulnerability in the generation of session IDs in revive-adserver < 5.3.0, based on the cryptographically insecure uniqid() PHP function. Under some circumstances, an attacker could theoretically be able to brute force session IDs in order to take over a specific account.

Una vulnerabilidad en la generación de IDs de sesión en revive-adserver versiones anteriores a 5.3.0, basada en la función PHP uniqid() criptográficamente no segura. Bajo algunas circunstancias, un atacante podría teóricamente ser capaz de forzar los ID de sesión para hacerse con una cuenta específica

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-06 CVE Reserved
2021-09-23 CVE Published
2024-06-08 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://hackerone.com/reports/1187820	2024-08-03

URL	Date	SRC
https://www.revive-adserver.com/security/revive-sa-2021-005	2023-06-30

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Revive-adserver Search vendor "Revive-adserver"		Revive Adserver Search vendor "Revive-adserver" for product "Revive Adserver"				< 5.3.0 Search vendor "Revive-adserver" for product "Revive Adserver" and version " < 5.3.0"		-		Affected
Revive-adserver Search vendor "Revive-adserver"		Revive Adserver Search vendor "Revive-adserver" for product "Revive Adserver"				5.3.0 Search vendor "Revive-adserver" for product "Revive Adserver" and version "5.3.0"		rc1		Affected