How severe is CVE-2020-11440?

CVE-2020-11440 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-11440 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11440?

CVE-2020-11440 primarily affects Windriver Vxworks. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11440?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-11440 published?

CVE-2020-11440 was published on 2020-07-23 and last updated on 2026-06-17.

CVE-2020-11440

CVE-2020-11440 is a high-severity vulnerability in Windriver Vxworks with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Windriver Vxworks
Published: 2020-07-23
Last modified: 2026-06-17

Description

httpRpmFs in WebCLI in Wind River VxWorks 5.5 through 7 SR0640 has no check for an escape from the web root.

Frequently asked questions

What is CVE-2020-11440?: httpRpmFs in WebCLI in Wind River VxWorks 5.5 through 7 SR0640 has no check for an escape from the web root.
How severe is CVE-2020-11440?: CVE-2020-11440 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-11440 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11440?: CVE-2020-11440 primarily affects Windriver Vxworks. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11440?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-11440 published?: CVE-2020-11440 was published on 2020-07-23 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:*
cpe:2.3:o:windriver:vxworks:7.0:-:*:*:*:*:*:*
cpe:2.3:o:windriver:vxworks:7.0:sr0630:*:*:*:*:*:*

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