CVE-2023-43194Public exploitNetwork attack vector

Authenticated forum post deletion via unchecked thread identifier

Published Nov 2, 2023 · Updated Sep 17, 2024

Missing authorization in Submitty before 22.06.00 allows remote authenticated users to delete any forum post via a modified request. The deletion handler authorizes the supplied post_id but passes a separately supplied, unchecked thread_id to setDeletePostStatus. Any forum account can trigger the flaw, causing unauthorized deletion of other users' posts and disruption of course discussions.

CVSS severity5.3
Medium
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Submitty before 22.06.00 allows remote authenticated users to delete any forum post via a modified request. The deletion handler authorizes the supplied post_id but passes a separately supplied, unchecked thread_id to setDeletePostStatus. Any forum account can trigger the flaw, causing unauthorized deletion of other users' posts and disruption of course discussions.

The record

CVE
CVE-2023-43194
Published
Nov 2, 2023
Updated
Sep 17, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-862, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 2, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A: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.

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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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-862Missing Authorization
T1565.001Stored Data Manipulation

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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