Adobe Digital Editions up to 4.5.11.187646 EPUB File os command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Adobe Digital Editions up to 4.5.11.187646. This issue affects some unknown processing of the component EPUB File Handler. This manipulation causes os command injection. This vulnerability is handled as CVE-2021-39826. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Adobe Digital Editions up to 4.5.11.187646 (Ebook Software) and classified as critical. Affected by this vulnerability is some unknown functionality of the component EPUB File Handler. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 09/28/2021 as apsb21-80. It is possible to read the advisory at helpx.adobe.com. This vulnerability is known as CVE-2021-39826 since 08/23/2021. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

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). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.6
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: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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 🔍
05/03/2025 +1313 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: apsb21-80
Status: Confirmed

CVE: CVE-2021-39826 (🔍)
GCVE (CVE): GCVE-0-2021-39826
GCVE (VulDB): GCVE-100-183451

Entryinfo

Created: 09/28/2021 08:59
Updated: 05/03/2025 07:15
Changes: 09/28/2021 08:59 (51), 10/03/2021 08:22 (1), 10/03/2021 08:24 (7), 10/23/2024 20:53 (16), 05/03/2025 07:15 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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