CVE & CISA-KEV Catalog

CVE-2021-31913

HIGH
7.5
CVSS v3
NVD

Description

In JetBrains TeamCity before 2020.2.3, insufficient checks of the redirect_uri were made during GitHub SSO token exchange.

How to fix

Remediation Available
JetBrains TeamCityWindows application
Affected:2020.2.3Fixed in:2020.2.3JetBrains s.r.o.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.71%probability of exploitation in 30 days
50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Related Vulnerabilities

Other CWE-354 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-48795Medium5.993%-Fix
CVE-2019-1166Medium5.968%--
CVE-2024-3596Critical9.015%-Fix
CVE-2020-26141Medium6.53.1%-Fix
CVE-2020-25862High7.52.4%-Fix
CVE-2020-8838Medium6.41.6%--

Common questions

How do I fix CVE-2021-31913?

Upgrade JetBrains TeamCity to 2020.2.3 or later.

Is CVE-2021-31913 being actively exploited?

Not that we know of. CVE-2021-31913 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.71% is the estimated probability that it will be exploited in the next 30 days. That is higher than 50% of all scored CVEs.

How severe is CVE-2021-31913?

CVE-2021-31913 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-31913 affect?

Published advisories record a fix for JetBrains TeamCity (Windows application). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.