CVE-2024-10141Public exploitNetwork attack vector

Administrator impersonation via default session-signing key

Published Oct 19, 2024 · Updated Oct 21, 2024

Session forgery in Justin Brooks COCO Annotator 0.11.1 allows remote attackers to impersonate the administrator. The Flask session handler signs client-side cookies with the shipped RandomSecretKeyHere value, allowing forged cookies for guessed MongoDB user ObjectIds. Exploitation requires obtaining a session format through registration or login and estimating the administrator ObjectId from counters and deployment time.

CVSS severity8.1
High
EPSS probability0.81%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Session forgery in Justin Brooks COCO Annotator 0.11.1 allows remote attackers to impersonate the administrator. The Flask session handler signs client-side cookies with the shipped RandomSecretKeyHere value, allowing forged cookies for guessed MongoDB user ObjectIds. Exploitation requires obtaining a session format through registration or login and estimating the administrator ObjectId from counters and deployment time.

The record

CVE
CVE-2024-10141
Published
Oct 19, 2024
Updated
Oct 21, 2024
Vendor
Justin Brooks
Product
COCO Annotator
Classifications
CWE-341, T1606.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 19, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 21, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0.11.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Justin Brooks · COCO Annotatorversion=0.11.1

Published CVSS scores

3.7VulDBCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
2.6VulDBAV:N/AC:H/Au:N/C:P/I:N/A:N
8.1NIST NVDCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
6.3VulDBCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-341Predictable from Observable State
T1606.001Forge Web Credentials: Web Cookies

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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