How severe is CVE-2018-8949?

CVE-2018-8949 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2018-8949 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8949?

CVE-2018-8949 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8949?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-8949 published?

CVE-2018-8949 was published on 2018-03-23 and last updated on 2026-06-17.

CVE-2018-8949

CVE-2018-8949 is a medium-severity vulnerability in Misp-project Misp with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-749.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.5
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-749
Affected product: Misp-project Misp
Published: 2018-03-23
Last modified: 2026-06-17

Description

An issue was discovered in app/Model/Attribute.php in MISP before 2.4.89. There is a critical API integrity bug, potentially allowing users to delete attributes of other events. A crafted edit for an event (without attribute UUIDs but attribute IDs set) could overwrite an existing attribute.

Frequently asked questions

What is CVE-2018-8949?: An issue was discovered in app/Model/Attribute.php in MISP before 2.4.89. There is a critical API integrity bug, potentially allowing users to delete attributes of other events. A crafted edit for an event (without attribute UUIDs but attribute IDs set) could overwrite an existing attribute.
How severe is CVE-2018-8949?: CVE-2018-8949 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2018-8949 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8949?: CVE-2018-8949 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8949?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-8949 published?: CVE-2018-8949 was published on 2018-03-23 and last updated on 2026-06-17.

References

https://github.com/MISP/MISP/commit/37720c38d6c617439df0a13e9396fcb26345dadd

Affected products (1)

cpe:2.3:a:misp-project:misp:*:*:*:*:*:*:*:*

More vulnerabilities in Misp-project Misp

CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2024-29859 — Critical (CVSS 9.8): In MISP before 2.4.187, add_misp_export in app/Controller/EventsController.php does not properly check for a valid file…
CVE-2024-29858 — Critical (CVSS 9.8): In MISP before 2.4.187, __uploadLogo in app/Controller/OrganisationsController.php does not properly check for a valid…
CVE-2024-25675 — Critical (CVSS 9.8): An issue was discovered in MISP before 2.4.184. A client does not need to use POST to start an export generation…
CVE-2024-25674 — Critical (CVSS 9.8): An issue was discovered in MISP before 2.4.184. Organisation logo upload is insecure because of a lack of checks for…
CVE-2023-50918 — Critical (CVSS 9.8): app/Controller/AuditLogsController.php in MISP before 2.4.182 mishandles ACLs for audit logs.

All CVEs affecting Misp-project Misp →

Other CWE-749 vulnerabilities

CVE-2023-40151 — Critical (CVSS 10.0): When user authentication is not enabled the shell can execute commands with the highest privileges. Red Lion SixTRAK…
CVE-2026-55454 — Critical (CVSS 9.9): Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 2.1, the bundled Caddy…
CVE-2026-30957 — Critical (CVSS 9.9): OneUptime is a solution for monitoring and managing online services. Prior to 10.0.21, OneUptime Synthetic Monitors…
CVE-2026-30921 — Critical (CVSS 9.9): OneUptime is a solution for monitoring and managing online services. Prior to 10.0.20, OneUptime Synthetic Monitors…
CVE-2019-18342 — Critical (CVSS 9.9): A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0). The SFTP service (default…
CVE-2025-59403 — Critical (CVSS 9.8): The Flock Safety Android Collins application (aka com.flocksafety.android.collins) 6.35.31 for Android lacks…

Browse all CWE-749 vulnerabilities →