CVE-2018-4055
CVE-2018-4055 is a medium-severity vulnerability in Pixar Renderman with a CVSS 3.x base score of 5.5. 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-20.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 2.1
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Pixar Renderman
- Published:
- Last modified:
Description
A local privilege escalation vulnerability exists in the install helper tool of the Mac OS X version of Pixar Renderman, version 22.2.0. A user with local access can use this vulnerability to read any root file from the file system. An attacker would need local access to the machine to successfully exploit this flaw.
Frequently asked questions
- What is CVE-2018-4055?
- A local privilege escalation vulnerability exists in the install helper tool of the Mac OS X version of Pixar Renderman, version 22.2.0. A user with local access can use this vulnerability to read any root file from the file system. An attacker would need local access to the machine to successfully exploit this flaw.
- How severe is CVE-2018-4055?
- CVE-2018-4055 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2018-4055 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-4055?
- CVE-2018-4055 affects Pixar Renderman. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-4055?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-4055 published?
- CVE-2018-4055 was published on 2019-03-08 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:pixar:renderman:22.2.0:*:*:*:*:mac_os_x:*:*
More vulnerabilities in Pixar Renderman
- CVE-2019-5015 — High (CVSS 7.8): A local privilege escalation vulnerability exists in the Mac OS X version of Pixar Renderman 22.3.0's Install Helper…
- CVE-2018-4054 — High (CVSS 7.8): A local privilege escalation vulnerability exists in the install helper tool of the Mac OS X version of Pixar…
- CVE-2018-3841 — High (CVSS 7.5): A denial-of-service vulnerability exists in the Pixar Renderman IT Display Service 21.6 (0x69). The vulnerability is…
- CVE-2018-3840 — High (CVSS 7.5): A denial-of-service vulnerability exists in the Pixar Renderman IT Display Service 21.6 (0x67). The vulnerability is…
All CVEs affecting Pixar Renderman →
Other CWE-20 (Improper Input Validation) vulnerabilities
- CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
- CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
- CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…
Browse all CWE-20 (Improper Input Validation) vulnerabilities →