CVE-2024-23736Network attack vector

Certificate replacement via forged profile upload

Published Jul 1, 2024 · Updated Aug 1, 2024

CSRF in S/Notify for Confluence 4.0.1 and earlier allows attackers to replace a user's encryption key through profile upload. The user-profile upload flow accepts a state-changing certificate or PGP-key request induced from a malicious link or site. A user must be logged in, upload functionality must be enabled, and a replacement key must match the user's email address; replacement prevents decryption of later notifications.

CVSS severity8.8
High
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

CSRF in S/Notify for Confluence 4.0.1 and earlier allows attackers to replace a user's encryption key through profile upload. The user-profile upload flow accepts a state-changing certificate or PGP-key request induced from a malicious link or site. A user must be logged in, upload functionality must be enabled, and a replacement key must match the user's email address; replacement prevents decryption of later notifications.

The record

CVE
CVE-2024-23736
Published
Jul 1, 2024
Updated
Aug 1, 2024
Vendor
Savignano Software Solutions
Product
S/Notify Email Encryption for Jira
Classifications
T1566.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 1, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 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 <=4.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Savignano Software Solutions · S/Notify Email Encryption for Jiraversion=0 <=4.0.1
Savignano Software Solutions · S/Notify Email Encryption for Bitbucketversion=0 <=2.0.0
Savignano Software Solutions · S/Notify Email Encryption for Confluenceversion=0 <=4.0.1

Published CVSS scores

5.8NVDAV:N/AC:M/Au:N/C:P/I:P/A:N
8.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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 exploitUnconfirmed

Weakness, pattern, technique

T1566.002Phishing: Spearphishing Link

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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