Cybersecurity scientists today gave a security warning admonition undertakings and governments over the globe to promptly fix a profoundly basic remote code execution helplessness influencing F5’s BIG-IP organizing gadgets running application security servers.

The powerlessness, doled out CVE-2020-5902 and appraised as basic with a CVSS score of 10 out of 10, could let remote aggressors assume total responsibility for the focused on frameworks, inevitably picking up reconnaissance over the application information they oversee.

As indicated by Mikhail Klyuchnikov, a security scientist at Positive Technologies who found the blemish and revealed it to F5 Networks, the issue dwells in a design utility called Traffic Management User Interface (TMUI) for BIG-IP application conveyance controller (ADC).

Huge IP ADC is being utilized by huge undertakings, server farms, and distributed computing situations, permitting them to actualize application increasing speed, load adjusting, rate molding, SSL offloading, and web application firewall.

F5 BIG-IP ADC RCE Flaw (CVE-2020-5902)

An unauthenticated aggressor can remotely misuse this weakness by sending a malevolently made HTTP solicitation to the powerless server facilitating the Traffic Management User Interface (TMUI) utility for BIG-IP design.

Fruitful misuse of this weakness could permit aggressors to oversee the gadget, in the end causing them to carry out any responsibility they need on the undermined gadget with no approval.

f5 huge ip application security director

“The aggressor can make or erase records, cripple administrations, block data, run discretionary framework orders and Java code, totally bargain the framework, and seek after further targets, for example, the interior system,” Klyuchnikov said.

“RCE for this situation results from security blemishes in various parts, for example, one that permits catalog traversal abuse.”

As of June 2020, in excess of 8,000 gadgets have been distinguished online as being presented legitimately to the web, of which 40% dwell in the United States, 16% in China, 3% in Taiwan, 2.5% in Canada and Indonesia and under 1% in Russia, the security firm says.

Be that as it may, Klyuchnikov additionally says that most organizations utilizing the influenced item don’t empower access to the web’s defenseless setup interface.

F5 BIG-IP ADC XSS Flaw (CVE-2020-5903)

Other than this, Klyuchnikov likewise announced a XSS powerlessness (allocated CVE-2020-5903 with a CVSS score of 7.5) in the BIG-IP design interface that could let remote assailants run malevolent JavaScript code as the signed in director client.

“On the off chance that the client has chairman benefits and access to Advanced Shell (slam), effective abuse can prompt a full trade off of BIG-IP by means of RCE,” the specialist said.

Influenced Versions and Patch Updates

Influenced organizations and managers depending on defenseless BIG-IP renditions 11.6.x, 12.1.x, 13.1.x, 14.1.x, 15.0.x, 15.1.x are emphatically prescribed to refresh their gadgets to the most recent variants,,,, as quickly as time permits.

In addition, clients of open cloud commercial centers like AWS (Amazon Web Services), Azure, GCP, and Alibaba are likewise encouraged to change to BIG-IP Virtual Edition (VE) renditions,,,,, or, when they are accessible.


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