How severe is CVE-2018-18777?

CVE-2018-18777 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-18777 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18777?

CVE-2018-18777 affects Microstrategy Microstrategy Web. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18777?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-18777 published?

CVE-2018-18777 was published on 2018-11-01 and last updated on 2026-06-17.

CVE-2018-18777

CVE-2018-18777 is a medium-severity vulnerability in Microstrategy Microstrategy Web with a CVSS 3.x base score of 4.3. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 20% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Microstrategy Microstrategy Web
Published: 2018-11-01
Last modified: 2026-06-17

Description

Directory traversal vulnerability in Microstrategy Web, version 7, in "/WebMstr7/servlet/mstrWeb" (in the parameter subpage) allows remote authenticated users to bypass intended SecurityManager restrictions and list a parent directory via a /.. (slash dot dot) in a pathname used by a web application. NOTE: this is a deprecated product.

Frequently asked questions

What is CVE-2018-18777?: Directory traversal vulnerability in Microstrategy Web, version 7, in "/WebMstr7/servlet/mstrWeb" (in the parameter subpage) allows remote authenticated users to bypass intended SecurityManager restrictions and list a parent directory via a /.. (slash dot dot) in a pathname used by a web application. NOTE: this is a deprecated product.
How severe is CVE-2018-18777?: CVE-2018-18777 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-18777 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18777?: CVE-2018-18777 affects Microstrategy Microstrategy Web. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18777?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18777 published?: CVE-2018-18777 was published on 2018-11-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microstrategy:microstrategy_web:7:*:*:*:*:*:*:*

More vulnerabilities in Microstrategy Microstrategy Web

CVE-2020-22983 — High (CVSS 8.1): A Server-Side Request Forgery (SSRF) vulnerability exists in MicroStrategy Web SDK 11.1 and earlier, allows remote…
CVE-2020-11450 — High (CVSS 7.5): Microstrategy Web 10.4 exposes the JVM configuration, CPU architecture, installation folder, and other information…
CVE-2020-11451 — High (CVSS 7.2): The Upload Visualization plugin in the Microstrategy Web 10.4 admin panel allows an administrator to upload a ZIP…
CVE-2019-12453 — Medium (CVSS 6.1): In MicroStrategy Web before 10.1 patch 10, stored XSS is possible in the FLTB parameter due to missing input validation.
CVE-2019-12475 — Medium (CVSS 6.1): In MicroStrategy Web before 10.4.6, there is stored XSS in metric due to insufficient input validation.
CVE-2018-18776 — Medium (CVSS 6.1): Microstrategy Web, version 7, does not sufficiently encode user-controlled inputs, resulting in a Cross-Site Scripting…

All CVEs affecting Microstrategy Microstrategy Web →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →