cURL up to 7.78.0 TLS Policy cryptographic issue

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in cURL up to 7.78.0. It has been rated as problematic. Affected is an unknown function of the component TLS Policy Handler. This manipulation causes cryptographic issue. The identification of this vulnerability is CVE-2021-22947. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in cURL up to 7.78.0 (Network Utility Software). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component TLS Policy Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect confidentiality.

The weakness was shared 09/30/2021. The advisory is shared at hackerone.com. This vulnerability is known as CVE-2021-22947 since 01/06/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 236591 (Alibaba Cloud Linux 3 : 0078: curl (ALINUX3-SA-2021:0078)), which helps to determine the existence of the flaw in a target environment.

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 Tenable (236591). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
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: Cryptographic issue
CWE: CWE-310
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: 236591
Nessus Name: Alibaba Cloud Linux 3 : 0078: curl (ALINUX3-SA-2021:0078)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/06/2021 🔍
09/30/2021 +266 days 🔍
09/30/2021 +0 days 🔍
05/21/2025 +1329 days 🔍

Sourcesinfo

Advisory: DLA 2773-1
Status: Not defined

CVE: CVE-2021-22947 (🔍)
GCVE (CVE): GCVE-0-2021-22947
GCVE (VulDB): GCVE-100-183589

Entryinfo

Created: 09/30/2021 08:27
Updated: 05/21/2025 03:39
Changes: 09/30/2021 08:27 (37), 10/04/2021 09:22 (2), 05/21/2025 03:39 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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