How severe is CVE-2018-10241?

CVE-2018-10241 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-10241 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-10241?

CVE-2018-10241 affects Solarwinds Serv-u. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-10241?

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

When was CVE-2018-10241 published?

CVE-2018-10241 was published on 2018-05-16 and last updated on 2026-06-17.

CVE-2018-10241

CVE-2018-10241 is a medium-severity vulnerability in Solarwinds Serv-u with a CVSS 3.x base score of 6.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Solarwinds Serv-u
Published: 2018-05-16
Last modified: 2026-06-17

Description

A denial of service vulnerability in SolarWinds Serv-U before 15.1.6 HFv1 allows an authenticated user to crash the application (with a NULL pointer dereference) via a specially crafted URL beginning with the /Web%20Client/ substring.

Frequently asked questions

What is CVE-2018-10241?: A denial of service vulnerability in SolarWinds Serv-U before 15.1.6 HFv1 allows an authenticated user to crash the application (with a NULL pointer dereference) via a specially crafted URL beginning with the /Web%20Client/ substring.
How severe is CVE-2018-10241?: CVE-2018-10241 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-10241 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-10241?: CVE-2018-10241 affects Solarwinds Serv-u. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-10241?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-10241 published?: CVE-2018-10241 was published on 2018-05-16 and last updated on 2026-06-17.

References

https://www.bishopfox.com/news/2018/05/solarwinds-serv-u-managed-file-transfer-denial-of-service/

Affected products (1)

cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*

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