VDB-174468 · CVE-2020-4993 · XFDB 192905

IBM QRadar SIEM 7.3/7.4 ZIP File Decompression path 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.
4.7	$5k-$25k	0.00

Summaryinfo

A vulnerability classified as critical was found in IBM QRadar SIEM 7.3/7.4. This affects an unknown function of the component ZIP File Decompression Handler. The manipulation results in path traversal. This vulnerability was named CVE-2020-4993. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in IBM QRadar SIEM 7.3/7.4 (Log Management Software). Affected is an unknown function of the component ZIP File Decompression Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 05/05/2021. The advisory is shared for download at ibm.com. This vulnerability is traded as CVE-2020-4993. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/05/2021). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1006.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (192905). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Log Management Software

Vendor

Name

QRadar SIEM

Version

License

commercial

Website

Vendor: https://www.ibm.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.7
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: 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
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/30/2019 🔍
05/05/2021 +491 days 🔍
05/05/2021 +0 days 🔍
05/07/2021 +2 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-4993 (🔍)
GCVE (CVE): GCVE-0-2020-4993
GCVE (VulDB): GCVE-100-174468
X-Force: 192905

Entryinfo

Created: 05/05/2021 20:41
Updated: 05/07/2021 16:30
Changes: 05/05/2021 20:41 (39), 05/07/2021 16:23 (3), 05/07/2021 16:30 (1)
Complete: 🔍
Cache ID: 216::103