CVE-2017-16118
CVE-2017-16118 is a high-severity vulnerability in Forwarded Project Forwarded 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-400.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-400
- Affected product: Forwarded Project Forwarded
- Published:
- Last modified:
Description
The forwarded module is used by the Express.js framework to handle the X-Forwarded-For header. It is vulnerable to a regular expression denial of service when it's passed specially crafted input to parse. This causes the event loop to be blocked causing a denial of service condition.
Frequently asked questions
- What is CVE-2017-16118?
- The forwarded module is used by the Express.js framework to handle the X-Forwarded-For header. It is vulnerable to a regular expression denial of service when it's passed specially crafted input to parse. This causes the event loop to be blocked causing a denial of service condition.
- How severe is CVE-2017-16118?
- CVE-2017-16118 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-2017-16118 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-16118?
- CVE-2017-16118 affects Forwarded Project Forwarded. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-16118?
- 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-2017-16118 published?
- CVE-2017-16118 was published on 2018-06-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:forwarded_project:forwarded:*:*:*:*:*:node.js:*:*
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