CVE-2023-32695

highpriority · track · 30EPSS 0.011 · 64 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.06% (64th) EPSS

CVSS 7.5 · high

Is it mine?

35 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

socket.io parser is a socket.io encoder and decoder written in JavaScript complying with version 5 of socket.io-protocol. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. A patch has been released in version 4.2.3.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.3highAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · FSTEC (BDU) RU

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · ENISA EU

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · security-advisories@github.comexploitability 3.9 · impact 3.4

v3.17.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-754USprimaryCWE-20USCWE-20USCWE-20USCWE-754USCWE-754US

affected products (35)

Products and version ranges known to be affected.

Atlassian Bitbucket <10.0.2all versionscert_bundDE
Atlassian Bitbucket <8.19.25 (LTS)all versionscert_bundDE
Atlassian Bitbucket <9.4.13 (LTS)all versionscert_bundDE
Dell Data Protection Advisor <19.12all versionscert_bundDE
Splunk Splunk Enterprise <9.0.9all versionscert_bundDE
Splunk Splunk Enterprise <9.1.4all versionscert_bundDE
Splunk Splunk Enterprise <9.2.1all versionscert_bundDE
Splunk Splunk Enterprise Security <7.1.2all versionscert_bundDE
Splunk Splunk Enterprise Security <7.2.0all versionscert_bundDE
Splunk Splunk Enterprise Security <7.3.0all versionscert_bundDE
Splunk Splunk Enterprise UBA <5.2.1all versionscert_bundDE
Splunk Splunk Enterprise UBA <5.3.0all versionscert_bundDE
Atlassian Bitbucket< 10.0.2cert_bundDE
Atlassian Bitbucket< 8.19.25 (LTS)cert_bundDE
Atlassian Bitbucket< 9.4.13 (LTS)cert_bundDE
Dell Data Protection Advisor< 19.12cert_bundDE
Splunk Splunk Enterprise≤ Security <7.1.2cert_bundDE
Splunk Splunk Enterprise≤ Security <7.2.0cert_bundDE
Splunk Splunk Enterprise≤ Security <7.3.0cert_bundDE
Splunk Splunk Enterprise≤ UBA <5.2.1cert_bundDE

showing 20 of 35

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1800HCL BigFix: Mehrere SchwachstellenDeutsch2023-07-18csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in HCL BigFix WebUI ausnutzen, um seine Privilegien zu erweitern, Dateien zu manipulieren, Informationen offenzulegen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.
WID-SEC-W-2024-0049Splunk Enterprise: Mehrere SchwachstellenDeutsch2024-01-09csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Splunk Enterprise ausnutzen, um beliebigen Programmcode auszuführen, einen Denial of Service Zustand herbeizuführen oder unbekannte Auswirkungen zu verursachen.
GHSA-cqmj-92xf-r6r9Insufficient validation when decoding a Socket.IO packet2023-05-23ghsa · osvUS
### Impact A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. ``` TypeError: Cannot convert object to primitive value at Socket.emit (node:events:507:25) at .../node_modules/socket.io/lib/socket.js:531:14 ``` ### Patches A fix has been released today (2023/05/22): - https://github.com/socketio/socket.io-parser/commit/3b78117bf6ba7e99d7a5cfc1ba54d0477554a7f3, included in `socket.io-parser@4.2.3` - https://github.com/socketio/socket.io-parser/commit/2dc3c92622dad113b8676be06f23b1ed46b02ced, included in `socket.io-parser@3.4.3` Another fix has been released for the `3.3.x` branch: - https://github.com/socketio/socket.io-parser/commit/ee006607495eca4ec7262ad080dd3a91439a5ba4, included in `socket.io-parser@3.3.4 | `socket.io` version | `socket.io-parser` version | Needs minor update? | |---------------------|---------------------------------------------------------------------------------------------------------|--------------------------------------| | `4.5.2...latest` | `~4.2.0` ([ref](https://github.com/socketio/socket.io/commit/9890b036cf942f6b6ad2afeb6a8361c32cd5d528)) | `npm audit fix` should be sufficient | | `4.1.3...4.5.1` | `~4.1.1` ([ref](https://github.com/socketio/socket.io/commit/7c44893d7878cd5bba1eff43150c3e664f88fb57)) | Please upgrade to `socket.io@4.6.x` | | `3.0.5...4.1.2` | `~4.0.3` ([ref](https://github.com/socketio/socket.io/commit/752dfe3b1e5fecda53dae899b4a39e6fed5a1a17)) | Please upgrade to `socket.io@4.6.x` | | `3.0.0...3.0.4` | `~4.0.1` ([ref](https://github.com/socketio/socket.io/commit/1af3267e3f5f7884214cf2ca4d5282d620092fb0)) | Please upgrade to `socket.io@4.6.x` | | `2.3.0...2.5.0` | `~3.4.0` ([ref](https://github.com/socketio/socket.io/commit/cf39362014f5ff13a17168b74772c43920d6e4fd)) | `npm audit fix` should be sufficient | ### Workarounds There is no known workaround except upgrading to a safe version. ### For more information If you have any questions or comments about this advisory: - Open a discussion [here](https://github.com/socketio/socket.io/discussions) Thanks to [@rafax00](https://github.com/rafax00) for the responsible disclosure.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund osv NVD CVE.org MITRE

published 2023-05-27modified 2026-08-04

related (782)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2025-39682US	critical9.8OT critical	3.25% (88th)	KEV	2025-09-05
In the Linux kernel, the following vulnerability has been resolved: tls: fix handling of zero-length records on the rx_list Each recvmsg() call must process either - only contig…
CVE-2024-3393US	high7.5OT critical	29.1% (98th)	KEV	2024-12-27
A Denial of Service vulnerability in the DNS Security feature of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to send a malicious packet through the data p…
CVE-2023-41993US	high8.8OT critical	24.3% (98th)	KEV	2023-09-21
The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. Processing web content may lead to arbitrary code execution. Apple is aware of a report that t…
CVE-2023-41992US	high7.8OT critical	9.52% (95th)	KEV	2023-09-21
The issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.7, iOS 16.7 and iPadOS 16.7, macOS Ventura 13.6. A local attacker may be able to elevate thei…
CVE-2021-3560US	high7.8OT critical	23.7% (98th)	KEV	2022-02-16
It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be us…

+777 more

references (15)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan