PHP Event Calendar 1.4/1.5/1.5.1 user_manager.php Username sql injection

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in PHP Event Calendar. Affected by this issue is some unknown functionality of the file /server/ajax/user_manager.php. Such manipulation of the argument Username leads to sql injection. This vulnerability is uniquely identified as CVE-2021-42077. The attack can be launched remotely. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in PHP Event Calendar (Calendar Software) and classified as critical. Affected by this issue is an unknown function of the file /server/ajax/user_manager.php. The manipulation of the argument username with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 11/08/2021. The advisory is available at syss.de. This vulnerability is handled as CVE-2021-42077 since 10/07/2021. Technical details as well as a public exploit are known. This vulnerability is assigned to T1505 by the MITRE ATT&CK project.

The exploit is available at packetstormsecurity.com. It is declared as proof-of-concept. By approaching the search of inurl:server/ajax/user_manager.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2021-09-03 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Calendar Software

Name

PHP Event Calendar

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Sql injection
CWE: CWE-89 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP Event Calendar 2021-09-03

Timelineinfo

09/03/2021 🔍
10/07/2021 +34 days 🔍
11/08/2021 +32 days 🔍
11/08/2021 +0 days 🔍
06/25/2024 +960 days 🔍

Sourcesinfo

Advisory: 164777
Status: Confirmed

CVE: CVE-2021-42077 (🔍)
GCVE (CVE): GCVE-0-2021-42077
GCVE (VulDB): GCVE-100-186242
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/08/2021 08:03
Updated: 06/25/2024 12:48
Changes: 11/08/2021 08:03 (40), 11/10/2021 17:51 (2), 06/25/2024 12:48 (24)
Complete: 🔍
Cache ID: 216::103