CVE-2018-11615
Mosca REDoS Vulnerability
CVE-2018-11615 is a high vulnerability (CVSS 7.5) in Mosca Project Mosca, published August 30, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.22%, the 88th percentile. Fixed in mosca 2.8.2.
- Severity
- 7.5 HighCVSS 3.0, NVD
- Exploit chance
- 3.22%EPSS, 88th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
2.8.2mosca
Description
This vulnerability allows remote attackers to deny service on vulnerable installations of npm mosca 2.8.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of topics. A crafted regular expression can cause the broker to crash. An attacker can leverage this vulnerability to deny access to the target system. Was ZDI-CAN-6306.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moscanpm | before 2.8.2 | 2.8.2 |
What each source reports
NVD Score used
This vulnerability allows remote attackers to deny service on vulnerable installations of npm mosca 2.8.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of topics. A crafted regular expression can cause the broker to crash. An attacker can leverage this vulnerability to deny access to the target system. Was ZDI-CAN-6306.
- Record
CVE-2018-11615- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-20, CWE-185
- Updated
- 2026-11-02
CVE ListNo score
This vulnerability allows remote attackers to deny service on vulnerable installations of npm mosca 2.8.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of topics. A crafted regular expression can cause the broker to crash. An attacker can leverage this vulnerability to deny access to the target system. Was ZDI-CAN-6306.
- Record
CVE-2018-11615- Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2018-0426No score
This vulnerability allows remote attackers to deny service on vulnerable installations of npm mosca 2.8.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of topics. A crafted regular expression can cause the broker to crash. An attacker can leverage this vulnerability to deny access to the target system. Was ZDI-CAN-6306.
- Record
EUVD-2018-0426- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wqg7-vrj7-v82h
Mosca REDoS Vulnerability
This vulnerability allows remote attackers to deny service on vulnerable installations of npm mosca 2.8.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of topics. A crafted regular expression can cause the broker to crash. An attacker can leverage this vulnerability to deny access to the target system.
- Record
GHSA-wqg7-vrj7-v82h- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20, CWE-185
- Updated
- 2026-11-02
OSV
This vulnerability allows remote attackers to deny service on vulnerable installations of npm mosca 2.8.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of topics. A crafted regular expression can cause the broker to crash. An attacker can leverage this vulnerability to deny access to the target system. Was ZDI-CAN-6306.
- Record
CVE-2018-11615- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-wqg7-vrj7-v82h
Mosca REDoS Vulnerability
This vulnerability allows remote attackers to deny service on vulnerable installations of npm mosca 2.8.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of topics. A crafted regular expression can cause the broker to crash. An attacker can leverage this vulnerability to deny access to the target system.
- Record
GHSA-wqg7-vrj7-v82h- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-185, CWE-20
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.