CVE-2023-36899

highpriority · attend · 72EPSS 0.767 · 100 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

76.7% (100th) EPSS

CVSS 8.8 · high

Is it mine?

44 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

EPSS · scored 2026-10-27

ASP.NET Elevation of Privilege Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedTeleControl Server Basic V3siemens_psirt
Update to V3.1.2 or later version
https://support.industry.siemens.com/cs/ww/en/view/109955177/
FixedMicrosoft .NET Framework 2.0 Service Pack 2msrc_csaf
3.0.50727.8974:Security Only:https://support.microsoft.com/help/5029569
https://support.microsoft.com/help/5029569
FixedMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2msrc_csaf
10.0.14393.6167:Security Update:https://support.microsoft.com/help/5029242
https://support.microsoft.com/help/5029242
FixedMicrosoft .NET Framework 3.5 AND 4.7.2msrc_csaf
3.5.04057.05:Security Update:https://support.microsoft.com/help/5029647
https://support.microsoft.com/help/5029647
FixedMicrosoft .NET Framework 3.5 AND 4.8msrc_csaf
3.5.4654.08:Security Update:https://support.microsoft.com/help/5029647
https://support.microsoft.com/help/5029647
FixedMicrosoft .NET Framework 3.5 AND 4.8.1msrc_csaf
4.8.09176.01:Security Update:https://support.microsoft.com/help/5028948
https://support.microsoft.com/help/5028948
FixedMicrosoft .NET Framework 3.5 and 4.6.2msrc_csaf
10.0.10240.20107:Security Update:https://support.microsoft.com/help/5029259
https://support.microsoft.com/help/5029259
FixedMicrosoft .NET Framework 4.6.2msrc_csaf
4.7.04057.04:Security Only:https://support.microsoft.com/help/5029569
https://support.microsoft.com/help/5029569
FixedMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2msrc_csaf
4.7.4057.04:Security Only:https://support.microsoft.com/help/5029566
https://support.microsoft.com/help/5029566
FixedMicrosoft .NET Framework 4.8msrc_csaf
4.8.04654.06:Security Update:https://support.microsoft.com/help/5028952
https://support.microsoft.com/help/5028952

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.17.5highAV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USCWE-20USCWE-20USCWE-264US

exploits (2)

Public proof-of-concept and weaponised exploit code.

d0rb/CVE-2023-36899CVE-2023-36899 PoCPoC · poc_in_github
midisec/CVE-2023-36899CVE-2023-36899漏洞的复现环境和工具，针对ASP.NET框架中的无cookie会话身份验证绕过。PoC · poc_in_github

affected products (44)

Products and version ranges known to be affected.

Microsoft Microsoft .NET Framework 2.0 Service Pack 22.0.0 → 2.0.50727.8974enisa_euvdEU
Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.23.0.0.0 → 10.0.14393.6167enisa_euvdEU
Microsoft Microsoft .NET Framework 3.5 AND 4.7.24.7.0 → 4.7.4057.05enisa_euvdEU
Microsoft Microsoft .NET Framework 3.5 AND 4.84.8.0 → 4.8.04654.06enisa_euvdEU
Microsoft Microsoft .NET Framework 3.5 AND 4.8.14.8.1 → 4.8.09176.01enisa_euvdEU
Microsoft Microsoft .NET Framework 3.5 and 4.6.24.7.0 → 10.0.10240.20107enisa_euvdEU
Microsoft Microsoft .NET Framework 4.6.24.7.0 → 4.7.04057.05enisa_euvdEU
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.24.7.0 → 4.7.04057.05enisa_euvdEU
Microsoft Microsoft .NET Framework 4.84.8.0 → 4.8.4654.06enisa_euvdEU
Microsoft Corp Microsoft .NET Framework 2.0 Service Pack 2all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 3.5all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 4.6.2all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 4.7all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 4.7.1all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 4.7.2all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 4.8all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 4.8.1all versionsfstec_bduRU
Microsoft .NET Framework 2.0 Service Pack 2all versionsfixedmsrc_csafUS
Microsoft .NET Framework 2.0 Service Pack 2< 3.0.50727.8974msrc_csafUS
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2all versionsfixedmsrc_csafUS

showing 20 of 44

advisories (2)

Vendor and ecosystem advisories describing this.

SSA-556635SSA-556635: Multiple Vulnerabilities in Telecontrol Server Basic before V3.1.2.02024-04-09csaf · siemens_psirtDE
Siemens has released a new version for Telecontrol Server Basic that fixes multiple vulnerabilities.
msrc_CVE-2023-36899ASP.NET Elevation of Privilege Vulnerability2023-08-08csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu msrc_csaf siemens_psirt NVD CVE.org MITRE

published 2023-08-08modified 2026-08-10

references (5)

External citations — patches, advisories, analysis.

scry

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