Cisco Firepower System Software Snort Detection Engine Request cryptographic issues

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic has been found in Cisco Firepower System Software (Firewall Software) (the affected version unknown). This affects an unknown code block of the component Snort Detection Engine. The manipulation as part of a Request leads to a weak encryption vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on availability.

The bug was discovered 05/02/2018. The weakness was disclosed 05/02/2018 as cisco-sa-20180502-fpwr-txdos as confirmed advisory (Website). The advisory is shared at This vulnerability is uniquely identified as CVE-2018-0281 since 11/27/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/02/2020). MITRE ATT&CK project uses the attack technique T1600 for this issue.

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 SecurityFocus (BID 104096). The entries 117298 and 117296 are pretty similar.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.8
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Weak encryption
CWE: CWE-310
ATT&CK: T1600

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍


Recommended: no mitigation known
Status: 🔍


11/27/2017 🔍
05/02/2018 +155 days 🔍
05/02/2018 +0 days 🔍
05/02/2018 +0 days 🔍
05/02/2018 +0 days 🔍
05/03/2018 +1 days 🔍
02/02/2020 +640 days 🔍



Advisory: cisco-sa-20180502-fpwr-txdos
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0281 (🔍)
SecurityFocus: 104096 - Cisco Firepower System Software CVE-2018-0281 Denial of Service Vulnerability

See also: 🔍


Created: 05/03/2018 08:35 AM
Updated: 02/02/2020 07:54 AM
Changes: (4) vulnerability_discoverydate advisory_confirm_url source_securityfocus_date source_securityfocus_class
Complete: 🔍


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