Adobe Digital Editions up to 4.5.11.187646 Installer temp file

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 (≈)
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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.
8.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as very critical has been found in Adobe Digital Editions up to 4.5.11.187646. Impacted is an unknown function of the component Installer. Such manipulation leads to temp file. This vulnerability is uniquely identified as CVE-2021-39827. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Adobe Digital Editions up to 4.5.11.187646 (Ebook Software) and classified as very critical. Affected by this issue is an unknown part of the component Installer. The manipulation with an unknown input leads to a temp file vulnerability. Using CWE to declare the problem leads to CWE-377. Creating and using insecure temporary files can leave application and system data vulnerable to attack. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 09/28/2021 as apsb21-80. The advisory is shared for download at helpx.adobe.com. This vulnerability is handled as CVE-2021-39827 since 08/23/2021. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/23/2024).

The vulnerability scanner Nessus provides a plugin with the ID 209459 (Adobe Digital Editions < 4.5.11.187658 Multiple Vulnerabilities (APSB21-80) (macOS)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209459). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (Adobe Systems Incorporated): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Temp file
CWE: CWE-377
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209459
Nessus Name: Adobe Digital Editions < 4.5.11.187658 Multiple Vulnerabilities (APSB21-80) (macOS)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
09/28/2021 +36 days 🔍
09/28/2021 +0 days 🔍
10/23/2024 +1121 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: apsb21-80
Status: Confirmed

CVE: CVE-2021-39827 (🔍)
GCVE (CVE): GCVE-0-2021-39827
GCVE (VulDB): GCVE-100-183452

Entryinfo

Created: 09/28/2021 09:26
Updated: 10/23/2024 20:53
Changes: 09/28/2021 09:26 (49), 10/03/2021 08:25 (1), 10/03/2021 08:27 (7), 10/23/2024 20:53 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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