Ruby up to 3.0 on Windows Path TmpDir privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Ruby up to 3.0 on Windows and classified as critical. Affected by this issue is some unknown functionality of the component Path Handler. Performing a manipulation of the argument TmpDir results in an unknown weakness. This vulnerability was named CVE-2021-28966. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Ruby up to 3.0 on Windows (Programming Language Software). It has been classified as critical. This affects an unknown part of the component Path Handler. The manipulation of the argument TmpDir with an unknown input leads to a unknown weakness. The impact remains unknown.

The weakness was presented 07/30/2021. It is possible to read the advisory at hackerone.com. This vulnerability is uniquely identified as CVE-2021-28966. Technical details of the vulnerability are known, but there is no available exploit.

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 CERT Bund (WID-SEC-2023-2462). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Open Source Ruby
  • SUSE openSUSE

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/22/2021 🔍
07/30/2021 +129 days 🔍
07/30/2021 +0 days 🔍
05/09/2026 +1744 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Not defined

CVE: CVE-2021-28966 (🔍)
GCVE (CVE): GCVE-0-2021-28966
GCVE (VulDB): GCVE-100-179763
CERT Bund: WID-SEC-2023-2462 - Ruby: Mehrere Schwachstellen

Entryinfo

Created: 07/30/2021 19:37
Updated: 05/09/2026 18:30
Changes: 07/30/2021 19:37 (36), 08/05/2021 21:03 (2), 05/09/2026 18:30 (22)
Complete: 🔍
Cache ID: 216::103

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

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