CVE-2021-43350: apache software foundation apache traffic control LDAP Injection
CVSS: 9.8v3.1CriticalModified
AliasesGHSA-mg2c-rc36-p594GO-2024-2776
Published 11-11-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-43350 is a critical (CVSS 9.8) LDAP Injection vulnerability in apache software foundation apache traffic control. EPSS estimates a 4.76% chance of exploitation in the next 30 days, higher than 91.8% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
4.76%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-11-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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 metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · GoEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
4.76%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
0.00 pp
From 4.76% on 21-09-2026
21-09-202621-10-2026
EPSS score4.76%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-90Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')The product constructs all or part of an LDAP query using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended LDAP query when it is sent to a downstream component.
- CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
Affected systems
Apache1 product
- traffic_control≥ 5.1.0, < 5.1.4 | ≥ 6.0.0, < 6.0.1 | 5.1.4:rc0 | 6.0.1:rc0
Apache software foundation1 product
- apache traffic control≥ Traffic Ops, < 6.0.1
Github.com/apache1 product
- trafficcontrol≥ 6.0.0, < 6.0.1 | ≥ 5.1.0, < 5.1.4 | ≥ 6.0.0+incompatible, < 6.0.1+incompatible
3 vendors · 3 products
References
9 links- www.openwall.com/lists/oss-security/2021/11/11/3Mailing ListX Refsource MLISTWEBThird Party Advisory
- www.openwall.com/lists/oss-security/2021/11/11/4Mailing ListX Refsource MLISTWEBThird Party Advisory
- www.openwall.com/lists/oss-security/2021/11/17/1Mailing ListX Refsource MLISTWEBThird Party Advisory
