CVE-2018-20306
CVE-2018-20306 is a medium-severity vulnerability in Pulsesecure Virtual Traffic Manager with a CVSS 3.x base score of 5.4. 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Pulsesecure Virtual Traffic Manager
- Published:
- Last modified:
Description
A stored cross-site scripting (XSS) vulnerability in the web administration user interface of Pulse Secure Virtual Traffic Manager may allow a remote authenticated attacker to inject web script or HTML via a crafted website and steal sensitive data and credentials. Affected releases are Pulse Secure Virtual Traffic Manager 9.9 versions prior to 9.9r2 and 10.4r1.
Frequently asked questions
- What is CVE-2018-20306?
- A stored cross-site scripting (XSS) vulnerability in the web administration user interface of Pulse Secure Virtual Traffic Manager may allow a remote authenticated attacker to inject web script or HTML via a crafted website and steal sensitive data and credentials. Affected releases are Pulse Secure Virtual Traffic Manager 9.9 versions prior to 9.9r2 and 10.4r1.
- How severe is CVE-2018-20306?
- CVE-2018-20306 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2018-20306 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20306?
- CVE-2018-20306 affects Pulsesecure Virtual Traffic Manager. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-20306?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-20306 published?
- CVE-2018-20306 was published on 2018-12-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:pulsesecure:virtual_traffic_manager:*:*:*:*:*:*:*:*
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