VDB-166212 · CVE-2020-35460 · GCVE-0-2020-35460

Jon Iles Packwood MPXJ up to 8.3.4 ZIP Stream InputStreamHelper.java pathname traversal

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Jon Iles Packwood MPXJ up to 8.3.4 and classified as critical. This affects an unknown part of the file common/InputStreamHelper.java of the component ZIP Stream Handler. The manipulation results in pathname traversal. This vulnerability is reported as CVE-2020-35460. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Jon Iles Packwood MPXJ up to 8.3.4. Affected is an unknown code of the file common/InputStreamHelper.java of the component ZIP Stream Handler. The manipulation with an unknown input leads to a pathname traversal vulnerability. CWE is classifying the issue as CWE-21. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 12/15/2020 as 8eaf4225048ea5ba7e59ef4556dab2098fcc4a1d. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2020-35460. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 8.3.5 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Jon Iles

Name

Packwood MPXJ

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Pathname traversal
CWE: CWE-21 / CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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: Packwood MPXJ 8.3.5
Patch: github.com

Timelineinfo

12/14/2020 🔍
12/15/2020 +1 days 🔍
12/15/2020 +0 days 🔍
05/06/2025 +1603 days 🔍

Sourcesinfo

Advisory: 8eaf4225048ea5ba7e59ef4556dab2098fcc4a1d
Status: Confirmed

CVE: CVE-2020-35460 (🔍)
GCVE (CVE): GCVE-0-2020-35460
GCVE (VulDB): GCVE-100-166212

Entryinfo

Created: 12/15/2020 07:25
Updated: 05/06/2025 02:11
Changes: 12/15/2020 07:25 (41), 12/17/2020 13:22 (5), 05/06/2025 02:11 (32)
Complete: 🔍
Cache ID: 216::103