CVE-2018-16499
CVE-2018-16499 is a medium-severity vulnerability in Versa-networks Versa Operating System with a CVSS 3.x base score of 5.9. 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-326.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- CVSS v2: 4.3
- EPSS exploit prediction: 0% (23rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-326
- Affected product: Versa-networks Versa Operating System
- Published:
- Last modified:
Description
In VOS compromised, an attacker at network endpoints can possibly view communications between an unsuspecting user and the service using man-in-the-middle attacks. Usage of unapproved SSH encryption protocols or cipher suites also violates the Data Protection TSR (Technical Security Requirements).
Frequently asked questions
- What is CVE-2018-16499?
- In VOS compromised, an attacker at network endpoints can possibly view communications between an unsuspecting user and the service using man-in-the-middle attacks. Usage of unapproved SSH encryption protocols or cipher suites also violates the Data Protection TSR (Technical Security Requirements).
- How severe is CVE-2018-16499?
- CVE-2018-16499 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2018-16499 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-16499?
- CVE-2018-16499 affects Versa-networks Versa Operating System. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-16499?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-16499 published?
- CVE-2018-16499 was published on 2021-05-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:versa-networks:versa_operating_system:-:*:*:*:*:*:*:*
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