CVE-2022-35173
CVE-2022-35173 is a high-severity vulnerability in Nginx Njs with a CVSS 3.x base score of 7.5. 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-754.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-754
- Affected product: Nginx Njs
- Published:
- Last modified:
Description
An issue was discovered in Nginx NJS v0.7.5. The JUMP offset for a break instruction was not set to a correct offset during code generation, leading to a segmentation violation.
Frequently asked questions
- What is CVE-2022-35173?
- An issue was discovered in Nginx NJS v0.7.5. The JUMP offset for a break instruction was not set to a correct offset during code generation, leading to a segmentation violation.
- How severe is CVE-2022-35173?
- CVE-2022-35173 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-35173 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-35173?
- CVE-2022-35173 affects Nginx Njs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-35173?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-35173 published?
- CVE-2022-35173 was published on 2022-08-18 and last updated on 2026-06-17.
References
- http://hg.nginx.org/njs/rev/b7c4e0f714a9
- https://github.com/nginx/njs/commit/404553896792b8f5f429dc8852d15784a59d8d3e
- https://github.com/nginx/njs/issues/553
Affected products (1)
- cpe:2.3:a:nginx:njs:0.7.5:*:*:*:*:*:*:*
More vulnerabilities in Nginx Njs
- CVE-2021-46461 — Critical (CVSS 9.8): njs through 0.7.0, used in NGINX, was discovered to contain an out-of-bounds array access via njs_vmcode_typeof in…
- CVE-2022-30503 — Medium (CVSS 5.5): Nginx NJS v0.7.2 was discovered to contain a segmentation violation in the function njs_set_number at src/njs_value.h.
- CVE-2022-29780 — Medium (CVSS 5.5): Nginx NJS v0.7.2 was discovered to contain a segmentation violation in the function njs_array_prototype_sort at…
- CVE-2022-29779 — Medium (CVSS 5.5): Nginx NJS v0.7.2 was discovered to contain a segmentation violation in the function njs_value_own_enumerate at…
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