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CVE-2020-35476

88
FAUCET Score

CVE-2020-35476 is a critical remote code execution vulnerability affecting OpenTSDB versions up to 2.4.0. It allows unauthenticated attackers to inject commands via the yrange parameter, leading to arbitrary code execution on the server. With a CVSS score of 9.8 and an EPSS score indicating high exploitability, this flaw poses a severe risk, enabling full compromise of confidentiality, integrity, and availability. Exploit code is publicly available through Metasploit and Nuclei templates, though there is currently no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.4.0CPE matchmatch criteria
cpe:2.3:a:opentsdb:opentsdb:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
85.33%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Metasploit: OpenTSDB 2.4.0 unauthenticated command injection · Nov 18, 2020
Nuclei: CVE-2020-35476 · Jan 31, 2021
This CVE's current EPSS score of 0.8533 is in the 99th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

mavenGHSA-hv53-q76c-7f8ccritical

OS Command Injection in OpenTSDB

Aug 2, 2021

References

packetstormsecurity.com / files/170331/OpenTSDB-2.4.0-Command-Injection.html
ExploitThird Party AdvisoryVDB Entry
github.com / OpenTSDB/opentsdb/issues/2051
ExploitIssue TrackingThird Party Advisory