PatchSiren

PatchSiren cyber security CVE debrief

CVE-2019-16278 Nostromo CVE debrief

CVE-2019-16278 is a Nostromo nhttpd directory traversal vulnerability that CISA has added to its Known Exploited Vulnerabilities catalog. The KEV listing means defenders should treat this as a high-priority issue and act by the CISA due date, 2024-11-28, using vendor mitigations if available or discontinuing use of the product if they are not.

Vendor
Nostromo
Product
nhttpd
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2024-11-07
Original CVE updated
2024-11-07
Advisory published
2024-11-07
Advisory updated
2024-11-07

Who should care

Organizations that still run Nostromo nhttpd, especially internet-facing systems or legacy servers, should prioritize this vulnerability. Security teams responsible for asset inventory, vulnerability management, and exposure reduction should also review it promptly because it is listed in CISA’s KEV catalog.

Technical summary

The supplied source corpus identifies CVE-2019-16278 as a directory traversal issue in Nostromo nhttpd. Beyond that classification, the provided sources do not include version ranges, exploit mechanics, or patch details. CISA’s KEV metadata marks it as known exploited and references the vendor instructions link in its notes.

Defensive priority

High. CISA’s KEV inclusion indicates active exploitation or confirmed exploitation in the wild, so remediation should be prioritized over routine backlog scheduling.

Recommended defensive actions

  • Identify whether Nostromo nhttpd is installed anywhere in the environment, including legacy or forgotten systems.
  • Apply vendor mitigations if available, using the vendor instructions referenced by CISA.
  • If mitigations are unavailable, discontinue use of the product per CISA guidance.
  • Remove or isolate exposed instances until remediation is complete.
  • Verify completion before the CISA due date of 2024-11-28.
  • Document compensating controls and update asset inventory to prevent reintroduction.

Evidence notes

This debrief is based only on the supplied CISA KEV metadata and official resource links. The corpus confirms the product, vulnerability classification, KEV status, date added (2024-11-07), and due date (2024-11-28). It does not provide version scope, exploit details, or patch identifiers, so those are intentionally omitted.

Sources and references

Verified primary and authoritative sources

  • CVE-2019-16278 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2019-16278

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2019-16278 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2019-16278

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.