CVE-2021-28684

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The XML parser used in ConeXware PowerArchiver before 20.10.02 allows processing of external entities, which might lead to exfiltration of local files over the network (via an XXE attack).

El analizador XML usado en ConeXware PowerArchiver versiones anteriores a 20.10.02, permite el procesamiento de entidades externas, lo que podría conllevar a la exfiltración de archivos locales a través de la red (por medio de un ataque de tipo XXE)

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

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

2021-03-18 CVE Reserved
2021-06-21 CVE Published
2024-03-06 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-611: Improper Restriction of XML External Entity Reference

CAPEC

References (2)

URL	Tag	Source
https://www.powerarchiver.com	Product

URL	Date	SRC
https://peterka.tech/blog/posts/cve-2021-28684	2024-08-03

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Powerarchiver Search vendor "Powerarchiver"		Powerarchiver Search vendor "Powerarchiver" for product "Powerarchiver"				< 20.10.02 Search vendor "Powerarchiver" for product "Powerarchiver" and version " < 20.10.02"		-		Affected