CVE & CISA-KEV Catalog

CVE-2021-23015

HIGH
7.2
CVSS v3
NVD

Description

On BIG-IP 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.0.8 through 13.1.3.6, and all versions of 16.0.x, when running in Appliance Mode, an authenticated user assigned the 'Administrator' role may be able to bypass Appliance Mode restrictions utilizing undisclosed iControl REST endpoints. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CWE-863Incorrect Authorization

How to fix

Remediation Available
big-ip access policy managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip advanced firewall managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip advanced web application firewallNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip analyticsNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip application acceleration managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip application security managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip ddos hybrid defenderNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip domain name systemNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip fraud protection serviceNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip global traffic managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip link controllerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip local traffic managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip policy enforcement managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD
big-ip ssl orchestratorNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-23015derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.34%probability of exploitation in 30 days
68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-22518Critical9.8100%KEV + RansomFix
CVE-2023-38035Critical9.8100%KEV + Ransom-
CVE-2022-46169Critical9.8100%KEVFix
CVE-2025-29927Critical9.1100%-Fix
CVE-2024-38856Critical9.899%KEVFix
CVE-2020-36289Medium5.399%-Fix
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CVE-2021-23015 severity badge

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.