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CVE-2021-36711

52
FAUCET Score

CVE-2021-36711 is a critical remote code execution (RCE) vulnerability affecting the WebInterface of OctoBot versions prior to 0.4.4, stemming from mishandled Tentacles uploads. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While not on CISA's KEV catalog, an ExploitDB entry (EDB-50979) confirms public exploit code availability, and the vulnerability has garnered significant community discussion, indicating awareness and potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.4.4CPE matchmatch criteria
cpe:2.3:a:octobot:octobot:*:*:*:*:*:*:*:*

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
15.47%
Probability of exploitation in next 30 days
EPSS Percentile
96.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-50979 · Jul 21, 2022
This CVE's current EPSS score of 0.1547 is in the 92nd percentile among its peer group of 36,897 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

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: OctoBotFixed in: 0.4.4

Vendor Advisories (1)

pipGHSA-fr75-x856-q6j8critical

Octobot mishandles Tentacles upload

Jul 17, 2022

References

packetstormsecurity.com / files/167780/OctoBot-WebInterface-0.4.3-Remote-Code-Execution.html
ExploitThird Party Advisory
github.com / Drakkar-Software/OctoBot/blob/master/CHANGELOG.md
Third Party Advisory
github.com / Drakkar-Software/OctoBot/issues/1966
ExploitThird Party Advisory
github.com / Nwqda/Sashimi-Evil-OctoBot-Tentacle
ExploitThird Party Advisory
packetstormsecurity.com / files/167721/Sashimi-Evil-OctoBot-Tentacle.html
Third Party AdvisoryVDB Entry
octobot.online
Vendor Advisory