How severe is CVE-2019-16261?

CVE-2019-16261 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2019-16261 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16261?

CVE-2019-16261 affects Tripplite Pdumh15at Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16261?

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

When was CVE-2019-16261 published?

CVE-2019-16261 was published on 2019-09-12 and last updated on 2026-06-17.

CVE-2019-16261

CVE-2019-16261 is a critical-severity vulnerability in Tripplite Pdumh15at Firmware with a CVSS 3.x base score of 9.1. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 8.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Tripplite Pdumh15at Firmware
Published: 2019-09-12
Last modified: 2026-06-17

Description

Tripp Lite PDUMH15AT 12.04.0053 and SU750XL 12.04.0052 devices allow unauthenticated POST requests to the /Forms/ directory, as demonstrated by changing the manager or admin password, or shutting off power to an outlet. NOTE: the vendor's position is that a newer firmware version, fixing this vulnerability, had already been released before this vulnerability report about 12.04.0053.

Frequently asked questions

What is CVE-2019-16261?: Tripp Lite PDUMH15AT 12.04.0053 and SU750XL 12.04.0052 devices allow unauthenticated POST requests to the /Forms/ directory, as demonstrated by changing the manager or admin password, or shutting off power to an outlet. NOTE: the vendor's position is that a newer firmware version, fixing this vulnerability, had already been released before this vulnerability report about 12.04.0053.
How severe is CVE-2019-16261?: CVE-2019-16261 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2019-16261 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16261?: CVE-2019-16261 affects Tripplite Pdumh15at Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16261?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-16261 published?: CVE-2019-16261 was published on 2019-09-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tripplite:pdumh15at_firmware:12.04.0053:*:*:*:*:*:*:*

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →