CVE-2018-0281

MEDIUMNVD 5.85.8—
EchelonGraph scoreMEDIUM confidence

Score 5.8 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 5.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.8
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to restart an instance of the Snort detection engine on an affected device, resulting in a brief denial of service (DoS) condition. The vulnerability is due to the incorrect handling of a Transport Layer Security (TLS) extension during TLS connection setup for the affected software. An attacker could exploit this vulnerability by sending a crafted TLS connection setup request to an affected device. A successful exploit could allow the attacker to cause the Snort detection engine on the affected device to restart, resulting in a DoS condition. Cisco Bug IDs: CSCvg97808.

CVSS v3
5.8
EG Score
5.8(medium)
EPSS
70.3%
KEV
Not listed

Published

May 2, 2018

Last Modified

November 26, 2024

References (4)

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 14:04 UTCEPSS rescore
  2. 2026-07-21 15:21 UTCEPSS rescore
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  5. 2026-07-02 16:54 UTCEPSS rescore
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  7. 2026-06-30 23:19 UTCEPSS rescore
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  40. 2026-06-08 14:14 UTCEPSS rescore
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  44. 2026-06-06 13:45 UTCEPSS rescore
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  46. 2026-06-05 22:44 UTCEPSS rescore
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  62. 2026-05-28 08:27 UTCEG score recompute
  63. 2026-05-28 08:26 UTCGHSA enrichment
  64. 2026-05-27 13:38 UTCEPSS rescore
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  66. 2026-05-26 13:42 UTCEPSS rescore
  67. 2026-05-26 07:17 UTCEPSS rescore
  68. 2026-05-26 07:17 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-0281?
CVE-2018-0281 is a medium vulnerability published on May 2, 2018. A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to restart an instance of the Snort detection engine on an affected device, resulting in a brief denial of service (DoS) condition. The vulnerability is due to the incorrect…
When was CVE-2018-0281 disclosed?
CVE-2018-0281 was first published in the National Vulnerability Database on May 2, 2018, with the most recent update on November 26, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-0281 actively exploited?
CVE-2018-0281 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 70.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-0281?
CVE-2018-0281 has a CVSS v3 base score of 5.8 (NVD).
How do I remediate CVE-2018-0281?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-0281, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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