Oracle MySQL Server up to 5.7.36/8.0.27 C API denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Oracle MySQL Server up to 5.7.36/8.0.27 and classified as critical. Affected by this issue is some unknown functionality of the component C API. Performing a manipulation results in denial of service. This vulnerability is identified as CVE-2022-21595. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Oracle MySQL Server up to 5.7.36/8.0.27 (Database Software). It has been classified as critical. This affects an unknown part of the component C API. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was released 10/19/2022 as Oracle Critical Patch Update Advisory - October 2022. The advisory is shared at oracle.com. This vulnerability is uniquely identified as CVE-2022-21595. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-26819). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.4
CNA Vector (Oracle): 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

11/15/2021 🔍
10/19/2022 +337 days 🔍
10/19/2022 +0 days 🔍
10/19/2022 +0 days 🔍
04/25/2026 +1284 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - October 2022
Status: Confirmed

CVE: CVE-2022-21595 (🔍)
GCVE (CVE): GCVE-0-2022-21595
GCVE (VulDB): GCVE-100-211641
EUVD: 🔍

Entryinfo

Created: 10/19/2022 08:30
Updated: 04/25/2026 05:35
Changes: 10/19/2022 08:30 (39), 11/17/2022 07:25 (2), 11/17/2022 07:31 (11), 04/25/2026 05:35 (15)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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