What is CVE-2020-8515?

CVE-2020-8515 is a vulnerability in N/a. Published 2020-02-01.

Is CVE-2020-8515 known to be exploited?

Yes. CVE-2020-8515 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 44 public proof-of-concept repositories are indexed.

Vulnerability in N/a

CVE-2020-8515

DrayTek Vigor2960 1.3.1_Beta, Vigor3900 1.4.4_Beta, and Vigor300B 1.3.3_Beta, 1.4.2.1_Beta, and 1.4.4_Beta devices allow remote code execution as root (without authentication) via shell metacharacters to the cgi-bin/mainfunction.cgi URI. T…

EPSS: 0.943 (100.0th percentile) — read the EPSS interpretation.

Affected products

N/a — versions n/a

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2021-11-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-05-03.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html (x_refsource_MISC)
www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-route… (x_refsource_MISC)
packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remo… (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-8515?: CVE-2020-8515 is a vulnerability in N/a. Published 2020-02-01.
Is CVE-2020-8515 known to be exploited?: Yes. CVE-2020-8515 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 44 public proof-of-concept repositories are indexed.