IBM Security Guardium EcoSystem 10.5 Certificate Validation certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in IBM Security Guardium EcoSystem 10.5 (Policy Management Software). It has been declared as critical. This vulnerability affects an unknown function of the component Certificate Validation Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

IBM Security Guardium EcoSystem 10.5 does not validate, or incorrectly validates, a certificate.This weakness might allow an attacker to spoof a trusted entity by using a man-in-the-middle (MITM) attack. The software might connect to a malicious host while believing it is a trusted host, or the software might be deceived into accepting spoofed data that appears to originate from a trusted host. IBM X-Force ID: 141417.

The bug was discovered 09/28/2018. The weakness was shared 10/02/2018 (Website). The advisory is shared for download at This vulnerability was named CVE-2018-1509 since 12/12/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/19/2023). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1587.003.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k.

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

The entry VDB-124683 is related to this item.







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
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VulDB Reliability: 🔍

NVD Base Score: 7.4
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CNA Base Score: 3.7
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Class: Certificate validation
CWE: CWE-295 / CWE-287

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Threat Intelligenceinfo

Interest: 🔍
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Recommended: no mitigation known
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0-Day Time: 🔍


12/12/2017 🔍
09/28/2018 +289 days 🔍
10/02/2018 +3 days 🔍
10/02/2018 +0 days 🔍
10/03/2018 +1 days 🔍
05/19/2023 +1689 days 🔍



Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1509 (🔍)
X-Force: 141417
SecurityTracker: 1041759

See also: 🔍


Created: 10/03/2018 07:49 AM
Updated: 05/19/2023 08:28 PM
Changes: 10/03/2018 07:49 AM (61), 03/28/2020 07:11 PM (1), 05/19/2023 08:20 PM (4), 05/19/2023 08:28 PM (13)
Complete: 🔍
Cache ID: 44:7F4:40


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