OpenSSL up to 3.0.6 x.509 Certificate buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in OpenSSL up to 3.0.6. Affected by this issue is some unknown functionality of the component x.509 Certificate Handler. Such manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2022-3786. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in OpenSSL up to 3.0.6 (Network Encryption Software). It has been rated as critical. Affected by this issue is an unknown part of the component x.509 Certificate Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 11/01/2022. The advisory is available at openssl.org. This vulnerability is handled as CVE-2022-3786. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/14/2026).

The vulnerability scanner Nessus provides a plugin with the ID 209848 (Fortinet Fortigate OpenSSL3 CVE-2022-3602 CVE-2022-3786 vulnerabilities (FG-IR-22-419)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.0.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209848). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
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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Nessus ID: 209848
Nessus Name: Fortinet Fortigate OpenSSL3 CVE-2022-3602 CVE-2022-3786 vulnerabilities (FG-IR-22-419)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenSSL 3.0.7
Patch: c42165b5706e42f67ef8ef4c351a9a4c5d21639a

Timelineinfo

11/01/2022 🔍
11/01/2022 +0 days 🔍
11/01/2022 +0 days 🔍
04/14/2026 +1260 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: 169687
Status: Confirmed

CVE: CVE-2022-3786 (🔍)
GCVE (CVE): GCVE-0-2022-3786
GCVE (VulDB): GCVE-100-212642

Entryinfo

Created: 11/01/2022 17:03
Updated: 04/14/2026 13:11
Changes: 11/01/2022 17:03 (38), 11/01/2022 17:15 (2), 11/30/2022 16:36 (5), 11/30/2022 16:43 (12), 11/30/2022 16:50 (1), 10/29/2024 02:38 (16), 04/28/2025 19:13 (3), 11/05/2025 12:43 (1), 04/14/2026 13:11 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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