HOMEVULNERABILITIESCVE-2020-9015
CRITICAL

CVE-2020-9015

NVD-CWE-noinfoPublished: February 20, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Arista DCS-7050QX-32S-R 4.20.9M, DCS-7050CX3-32S-R 4.20.11M, and DCS-7280SRAM-48C6-R 4.22.0.1F devices (and possibly other products) allow attackers to bypass intended TACACS+ shell restrictions via a | character. NOTE: the vendor reports that this is a configuration issue relating to an overly permissive regular expression in the TACACS+ server permitted commands

NVD Source

Technical Analysis

CVE-2020-9015 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

arista6 product(s)
dcs-7050qx-32s-r firmwaredcs-7050qx-32s-rdcs-7050cx3-32s-r firmwaredcs-7050cx3-32s-rdcs-7280sram-48c6-r firmwaredcs-7280sram-48c6-r
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://securitybytes.me
ADVISORYhttps://securitybytes.me

All References (8)

→
http://packetstormsecurity.com/files/158119/Arista-Restricted-Shell-Escape-Privilege-Escalation.html
→
https://eos.arista.com/arista-eos-is-not-vulnerable-to-cve-2020-9015/
→
https://securitybytes.meThird Party Advisory
→
https://securitybytes.me/posts/cve-2020-9015/Broken Link
→
http://packetstormsecurity.com/files/158119/Arista-Restricted-Shell-Escape-Privilege-Escalation.html
→
https://eos.arista.com/arista-eos-is-not-vulnerable-to-cve-2020-9015/
→
https://securitybytes.meThird Party Advisory
→
https://securitybytes.me/posts/cve-2020-9015/Broken Link

Quick Facts

CVE IDCVE-2020-9015
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 20, 2020

Related CVEs (NVD-CWE-noinfo)

CVE-2009-1420
10.0
CVE-2009-1012
10.0
CVE-2009-0721
10.0
CVE-2008-6578
10.0
CVE-2009-1240
10.0
CVE-2009-2028
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-9015 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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