CVE-2023-42793

criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 1.000 · 100 %ileexploit · weaponizedDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 19 exploits · weaponized

Likely / severe?

100.0% (100th) EPSS

CVSS 9.8 · critical

Is it mine?

3 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2023-10-04remediate by 2023-10-25

required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS · scored 2026-10-26

JetBrains TeamCity Authentication Bypass Vulnerability

In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible

cvss

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

9.8

010

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

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · cve@jetbrains.comexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimaryCWE-288USCWE-288US

ATT&CK techniques

ATT&CK techniques this enables or maps to.

exploits (19)

Public proof-of-concept and weaponised exploit code.

exploit/multi/http/jetbrains_teamcity_rce_cve_2023_42793JetBrains TeamCity Unauthenticated Remote Code Executionweaponized · metasploit
EDB-51884JetBrains TeamCity 2023.05.3 - Remote Code Execution (RCE)PoC · exploit_db
B4l3rI0n/CVE-2023-42793JetBrains TeamCity 2023.05.3 - Remote Code Execution (RCE), CVE-2023-42793PoC · poc_in_github
DDestinys/CVE-2023-42793DDestinys/CVE-2023-42793PoC · poc_in_github
FlojBoj/CVE-2023-42793TeamCity CVE-2023-42793 RCE (Remote Code Execution)PoC · poc_in_github
H454NSec/CVE-2023-42793JetBrains TeamCity Authentication Bypass CVE-2023-42793 ExploitPoC · poc_in_github

affected products (3)

Products and version ranges known to be affected.

JetBrains TeamCity0 → 2023.05.4enisa_euvdEU
JetBrains TeamCity≤ 2023.05.4fstec_bduRU
jetbrains teamcity< 2023.05.4nvdUScpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2398JetBrains TeamCity: Mehrere SchwachstellenDeutsch2023-09-19csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in JetBrains TeamCity ausnutzen, um beliebigen Programmcode auszuführen, administrative Rechte zu erlangen oder einen Cross Site Scripting Angriff durchzuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd cert_bund NVD CVE.org MITRE

published 2023-09-19modified 2026-08-14

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references (23)

External citations — patches, advisories, analysis.

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