CVE-2021-43350 json
LDAP filter injection vulnerability in Traffic Ops
published 2021-11-11 4 y ago modified 2026-06-17 4 mo ago also GHSA-mg2c-rc36-p594 , GO-2024-2776 , EUVD-2022-4555
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.8%
- EPSS 4.8% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- go github.com/apache/trafficcontrol 5.1.4, 5.1.4+incompatible, 6.0.1, 6.0.1+incompatible
- Apache Software Foundation Apache Traffic Control 5.1.4, 6.0.1
Exploit prediction
4.76% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/apache/trafficcontrol | >=6.0.0, <6.0.1 >=5.1.0, <5.1.4 >=5.1.0+incompatible, <5.1.4+incompatible >=6.0.0+incompatible, <6.0.1+incompatible |
6.0.1 5.1.4 5.1.4+incompatible 6.0.1+incompatible |
Affected products
- Apache Software Foundation Apache Traffic Control
Classification
References
-
trafficcontrol.apache.org
/security/
vendor-advisory
-
openwall.com
/lists/oss-security/2021/11/11/3
mailing-list, web, third-party-advisory
-
openwall.com
/lists/oss-security/2021/11/11/4
mailing-list, web, third-party-advisory
-
openwall.com
/lists/oss-security/2021/11/17/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-43350
advisory
-
github.com
/apache/trafficcontrol
package
-
pkg.go.dev
/vuln/GO-2024-2776
web
-
trafficcontrol.apache.org
/security
web
-
github.com
/advisories/GHSA-mg2c-rc36-p594
advisory
Sources
- CVE List CVE-2021-43350
- GitHub Advisory GHSA-mg2c-rc36-p594
- NVD CVE-2021-43350
- OSV GO-2024-2776
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