How severe is CVE-2019-15993?

CVE-2019-15993 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-15993 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15993?

CVE-2019-15993 primarily affects Cisco Sg250x-24 Firmware. In total, 114 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-15993?

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

When was CVE-2019-15993 published?

CVE-2019-15993 was published on 2020-09-23 and last updated on 2026-06-17.

CVE-2019-15993

CVE-2019-15993 is a medium-severity vulnerability in Cisco Sg250x-24 Firmware with a CVSS 3.x base score of 5.3. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Sg250x-24 Firmware
Published: 2020-09-23
Last modified: 2026-06-17

Description

A vulnerability in the web UI of Cisco Small Business Switches could allow an unauthenticated, remote attacker to access sensitive device information. The vulnerability exists because the software lacks proper authentication controls to information accessible from the web UI. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web UI of an affected device. A successful exploit could allow the attacker to access sensitive device information, which includes configuration files.

Frequently asked questions

What is CVE-2019-15993?: A vulnerability in the web UI of Cisco Small Business Switches could allow an unauthenticated, remote attacker to access sensitive device information. The vulnerability exists because the software lacks proper authentication controls to information accessible from the web UI. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web UI of an affected device. A successful exploit could allow the attacker to access sensitive device information, which includes configuration files.
How severe is CVE-2019-15993?: CVE-2019-15993 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-15993 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15993?: CVE-2019-15993 primarily affects Cisco Sg250x-24 Firmware. In total, 114 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-15993?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15993 published?: CVE-2019-15993 was published on 2020-09-23 and last updated on 2026-06-17.

References

Affected products (114)

cpe:2.3:o:cisco:sg250x-24_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250x-24p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250x-48_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250x-48p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250-08_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250-08hp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250-10p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250-18_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250-26_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250-26hp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250-26p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250-50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250-50hp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg250-50p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sf250-24_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sf250-24p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sf250-48_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sf250-48hp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350-10_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350-10p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350-10mp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg355-10p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350-28_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350-28p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350-28mp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sf350-48_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sf350-48p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sf350-48mp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350xg-2f10_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350xg-24f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350xg-24t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350xg-48t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350x-24_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350x-24p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350x-24mp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350x-48_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350x-48p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg350x-48mp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sx550x-16ft_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sx550x-24ft_firmware:*:*:*:*:*:*:*:*

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