How severe is CVE-2017-10872?

CVE-2017-10872 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-2017-10872 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-10872?

CVE-2017-10872 affects Dena H2o. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-10872?

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

When was CVE-2017-10872 published?

CVE-2017-10872 was published on 2017-12-22 and last updated on 2026-06-17.

CVE-2017-10872

CVE-2017-10872 is a medium-severity vulnerability in Dena H2o 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-118.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-118
Affected product: Dena H2o
Published: 2017-12-22
Last modified: 2026-06-17

Description

H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via unspecified vectors.

Frequently asked questions

What is CVE-2017-10872?: H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via unspecified vectors.
How severe is CVE-2017-10872?: CVE-2017-10872 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-2017-10872 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-10872?: CVE-2017-10872 affects Dena H2o. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-10872?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-10872 published?: CVE-2017-10872 was published on 2017-12-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dena:h2o:*:*:*:*:*:*:*:*

More vulnerabilities in Dena H2o

CVE-2018-0608 — Critical (CVSS 9.8): Buffer overflow in H2O version 2.2.4 and earlier allows remote attackers to execute arbitrary code or cause a denial of…
CVE-2016-7835 — Critical (CVSS 9.1): Use-after-free vulnerability in H2O allows remote attackers to cause a denial-of-service (DoS) or obtain server…
CVE-2023-30847 — High (CVSS 8.2): H2O is an HTTP server. In versions 2.3.0-beta2 and prior, when the reverse proxy handler tries to processes a certain…
CVE-2023-44487 — High (CVSS 7.5): The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset…
CVE-2017-10908 — High (CVSS 7.5): H2O version 2.2.3 and earlier allows remote attackers to cause a denial of service in the server via specially crafted…
CVE-2017-10869 — High (CVSS 7.5): Buffer overflow in H2O version 2.2.2 and earlier allows remote attackers to cause a denial-of-service in the server via…

All CVEs affecting Dena H2o →

Other CWE-118 vulnerabilities

CVE-2016-10495 — Critical (CVSS 9.8): In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MDM9635M, made changes to…
CVE-2015-9142 — Critical (CVSS 9.8): In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile MDM9645, MDM9650, SD 210/SD…
CVE-2015-2004 — Critical (CVSS 9.8): The GraceNote GNSDK SDK before SVN Changeset 1.1.7 for Android might allow attackers to execute arbitrary code by…
CVE-2015-2003 — Critical (CVSS 9.8): The PJSIP PJSUA2 SDK before SVN Changeset 51322 for Android might allow attackers to execute arbitrary code by…
CVE-2015-2002 — Critical (CVSS 9.8): The ESRI ArcGis Runtime SDK before 10.2.6-2 for Android might allow attackers to execute arbitrary code by leveraging a…
CVE-2015-2001 — Critical (CVSS 9.8): The MetaIO SDK before 6.0.2.1 for Android might allow attackers to execute arbitrary code by leveraging a finalize…

Browse all CWE-118 vulnerabilities →