How severe is CVE-2023-20237?

CVE-2023-20237 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-20237 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20237?

CVE-2023-20237 affects Cisco Intersight Virtual Appliance. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-20237?

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

When was CVE-2023-20237 published?

CVE-2023-20237 was published on 2023-08-16 and last updated on 2026-06-17.

CVE-2023-20237

CVE-2023-20237 is a medium-severity vulnerability in Cisco Intersight Virtual Appliance with a CVSS 3.x base score of 4.3. 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-77.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Cisco Intersight Virtual Appliance
Published: 2023-08-16
Last modified: 2026-06-17

Description

A vulnerability in Cisco Intersight Virtual Appliance could allow an unauthenticated, adjacent attacker to access internal HTTP services that are otherwise inaccessible. This vulnerability is due to insufficient restrictions on internally accessible http proxies. An attacker could exploit this vulnerability by submitting a crafted CLI command. A successful exploit could allow the attacker access to internal subnets beyond the sphere of their intended access level.

Frequently asked questions

What is CVE-2023-20237?: A vulnerability in Cisco Intersight Virtual Appliance could allow an unauthenticated, adjacent attacker to access internal HTTP services that are otherwise inaccessible. This vulnerability is due to insufficient restrictions on internally accessible http proxies. An attacker could exploit this vulnerability by submitting a crafted CLI command. A successful exploit could allow the attacker access to internal subnets beyond the sphere of their intended access level.
How severe is CVE-2023-20237?: CVE-2023-20237 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-20237 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20237?: CVE-2023-20237 affects Cisco Intersight Virtual Appliance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-20237?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-20237 published?: CVE-2023-20237 was published on 2023-08-16 and last updated on 2026-06-17.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-intersight-forward-C45ncgqb

Affected products (1)

cpe:2.3:a:cisco:intersight_virtual_appliance:*:*:*:*:*:*:*:*

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