VDB-207752 · CVE-2021-45027 · Exploit 50599

Softlink Oliver v5 Library Server prior 5.00.008.053 FileServlet information disclosure

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

A vulnerability was found in Softlink Oliver v5 Library Server (Software Library) and classified as problematic. Affected by this issue is the function FileServlet. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

An arbitrary file download vulnerability in Oliver v5 Library Server Versions < 5.00.008.053 via the FileServlet function allows for arbitrary file download by an attacker using unsanitized user supplied input.

The weakness was disclosed 09/02/2022 as 50599. The advisory is shared for download at exploit-db.com. This vulnerability is handled as CVE-2021-45027 since 12/13/2021. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1592.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 5.00.008.053 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (50599).

Productinfo

Type

Software Library

Vendor

Softlink

Name

Oliver v5 Library Server

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: No
Remote: Partially

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Oliver v5 Library Server 5.00.008.053

Timelineinfo

12/13/2021 🔍
09/02/2022 +262 days 🔍
09/02/2022 +0 days 🔍
10/11/2022 +39 days 🔍

Sourcesinfo

Advisory: 50599
Status: Confirmed

CVE: CVE-2021-45027 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/02/2022 09:43
Updated: 10/11/2022 11:03
Changes: 09/02/2022 09:43 (45), 10/11/2022 11:03 (11)
Complete: 🔍