CVE-2021-43350

highpriority · track · 41EPSS 0.048 · 92 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.76% (92nd) EPSS

CVSS 7.5 · high

Is it mine?

13 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

An unauthenticated Apache Traffic Control Traffic Ops user can send a request with a specially-crafted username to the POST /login endpoint of any API version to inject unsanitized content into the LDAP filter.

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⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

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 · OSV

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-74USprimaryCWE-74USCWE-74USCWE-90USCWE-90US

affected products (13)

Products and version ranges known to be affected.

Apache Software Foundation Apache Traffic ControlTraffic Ops → 6.0.1enisa_euvdEU
Apache Software Foundation Traffic Control≤ 6.0.1 RC0fstec_bduRU
Apache Software Foundation Traffic Control≤ 5.1.4 RC0fstec_bduRU
Apache Software Foundation Traffic Control5.1.0 → 5.1.4fstec_bduRU
Apache Software Foundation Traffic Control6.0.0 → 6.0.1fstec_bduRU
apache traffic control5.1.0 → 5.1.4nvdUScpe:2.3:a:apache:traffic_control:*:*:*:*:*:*:*:*
apache traffic control= 5.1.4nvdUScpe:2.3:a:apache:traffic_control:*:*:*:*:*:*:*:*
apache traffic control6.0.0 → 6.0.1nvdUScpe:2.3:a:apache:traffic_control:*:*:*:*:*:*:*:*
apache traffic control= 6.0.1nvdUScpe:2.3:a:apache:traffic_control:*:*:*:*:*:*:*:*
Go github.com/apache/trafficcontrol5.1.0 → 5.1.4osvUSpkg:golang/github.com/apache/trafficcontrol
Go github.com/apache/trafficcontrol5.1.0+incompatible → 5.1.4+incompatibleosvUSpkg:golang/github.com/apache/trafficcontrol
Go github.com/apache/trafficcontrol6.0.0 → 6.0.1osvUSpkg:golang/github.com/apache/trafficcontrol
Go github.com/apache/trafficcontrol6.0.0+incompatible → 6.0.1+incompatibleosvUSpkg:golang/github.com/apache/trafficcontrol

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-mg2c-rc36-p594Apache Traffic Control Traffic Ops Vulnerable to LDAP Injection2022-05-24ghsa · osvUS
An unauthenticated Apache Traffic Control Traffic Ops user can send a request with a specially-crafted username to the POST `/login` endpoint of any API version to inject unsanitized content into the LDAP filter.
GO-2024-2776Apache Traffic Control Traffic Ops Vulnerable to LDAP Injection in github.com/apache/trafficcontrol2024-06-10vendor · osvUS
Apache Traffic Control Traffic Ops Vulnerable to LDAP Injection in github.com/apache/trafficcontrol

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv nvd NVD CVE.org MITRE

published 2021-11-11modified 2026-06-17

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+5979 more

references (15)

External citations — patches, advisories, analysis.

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