How severe is CVE-2020-24579?

CVE-2020-24579 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-24579 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-2020-24579?

CVE-2020-24579 affects Dlink Dsl2888a Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24579?

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-2020-24579 published?

CVE-2020-24579 was published on 2020-12-22 and last updated on 2026-06-17.

CVE-2020-24579

CVE-2020-24579 is a high-severity vulnerability in Dlink Dsl2888a Firmware with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
CVSS v2: 5.8
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Dlink Dsl2888a Firmware
Published: 2020-12-22
Last modified: 2026-06-17

Description

An issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. An unauthenticated attacker could bypass authentication to access authenticated pages and functionality.

Frequently asked questions

What is CVE-2020-24579?: An issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. An unauthenticated attacker could bypass authentication to access authenticated pages and functionality.
How severe is CVE-2020-24579?: CVE-2020-24579 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-24579 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-2020-24579?: CVE-2020-24579 affects Dlink Dsl2888a Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24579?: 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-2020-24579 published?: CVE-2020-24579 was published on 2020-12-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dsl2888a_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dsl2888a Firmware

CVE-2020-24581 — High (CVSS 8.0): An issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. It contains an…
CVE-2020-24580 — High (CVSS 7.5): An issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. Lack of authentication…
CVE-2020-24578 — Medium (CVSS 6.5): An issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. It has a misconfigured…

All CVEs affecting Dlink Dsl2888a Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

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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 →