F5 BIG-IP/BIG-IQ OpenSSH Server inadequate encryption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in F5 BIG-IP and BIG-IQ and classified as critical. Affected by this issue is some unknown functionality of the component OpenSSH Server. Such manipulation leads to inadequate encryption. This vulnerability is traded as CVE-2020-5917. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in F5 BIG-IP and BIG-IQ (Firewall Software) (the affected version is unknown) and classified as problematic. Affected by this issue is an unknown code of the component OpenSSH Server. The manipulation with an unknown input leads to a inadequate encryption vulnerability. Using CWE to declare the problem leads to CWE-326. The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. Impacted is confidentiality. CVE summarizes:

In BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2 and BIG-IQ versions 5.2.0-7.0.0, the host OpenSSH servers utilize keys of less than 2048 bits which are no longer considered secure.

The weakness was shared 08/26/2020 (Website). The advisory is shared for download at support.f5.com. This vulnerability is handled as CVE-2020-5917 since 01/06/2020. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/26/2020). The MITRE ATT&CK project declares the attack technique as T1600.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Inadequate encryption
CWE: CWE-326 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/06/2020 🔍
08/26/2020 +233 days 🔍
08/26/2020 +0 days 🔍
08/26/2020 +0 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: support.f5.com
Status: Not defined

CVE: CVE-2020-5917 (🔍)
GCVE (CVE): GCVE-0-2020-5917
GCVE (VulDB): GCVE-100-160304

Entryinfo

Created: 08/26/2020 20:52
Updated: 08/26/2020 20:57
Changes: 08/26/2020 20:52 (37), 08/26/2020 20:57 (18)
Complete: 🔍
Cache ID: 216::103

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