CVE-2018-5254
CVE-2018-5254 is a high-severity vulnerability in Arista Eos 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-417.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (66th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-417
- Affected product: Arista Eos
- Published:
- Last modified:
Description
Arista EOS before 4.20.2F allows remote BGP peers to cause a denial of service (Rib agent restart) via a malformed path attribute in an UPDATE message.
Frequently asked questions
- What is CVE-2018-5254?
- Arista EOS before 4.20.2F allows remote BGP peers to cause a denial of service (Rib agent restart) via a malformed path attribute in an UPDATE message.
- How severe is CVE-2018-5254?
- CVE-2018-5254 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-2018-5254 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-5254?
- CVE-2018-5254 affects Arista Eos. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-5254?
- 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-2018-5254 published?
- CVE-2018-5254 was published on 2018-04-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
More vulnerabilities in Arista Eos
- CVE-2015-8236 — Critical (CVSS 10.0): Arista EOS before 4.11.12, 4.12 before 4.12.11, 4.13 before 4.13.14M, 4.14 before 4.14.5FX.5, and 4.15 before…
- CVE-2020-10188 — Critical (CVSS 9.8): utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes…
- CVE-2017-18017 — Critical (CVSS 9.8): The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before 4.11, and 4.9.x before…
- CVE-2017-14491 — Critical (CVSS 9.8): Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or…
- CVE-2014-7169 — Critical (CVSS 9.8): GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values…
- CVE-2014-6271 — Critical (CVSS 9.8): GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables,…
All CVEs affecting Arista Eos →
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