The answer is the use of LDAP instead of LDAPS, which represents the most critical insecure LDAP configuration vulnerability. LDAP transmits all data, including the bind password and directory queries, in cleartext over TCP port 389, allowing any attacker with network access to sniff credentials and directory contents. LDAPS encrypts the entire session on port 636, protecting this sensitive information in transit. On the CompTIA PenTest+ PT0-002 exam, this scenario tests your ability to identify cleartext protocol risks in configuration files, a common trap where testers overlook unencrypted authentication channels. A frequent memory tip is to remember that LDAP without the “S” is like sending a password on a postcard—anyone can read it. Always look for the usessl=false or port 389 setting as a red flag for credential exposure.
PT0-002 Practice Question: Information Gathering and Vulnerability Scanning
This PT0-002 practice question tests your understanding of information gathering and vulnerability scanning. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Refer to the exhibit. A penetration tester finds this configuration file during an assessment. Which of the following is the most critical security concern with this configuration?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The use of LDAP instead of LDAPS
LDAP transmits credentials and queries in cleartext over TCP port 389, making it vulnerable to sniffing and credential theft. LDAPS (LDAP over SSL/TLS) encrypts the entire session on port 636, protecting the bind password and directory data in transit. Since the configuration uses LDAP instead of LDAPS, an attacker on the network can capture the bind password and potentially gain unauthorized access to the directory service.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
The bind password is stored in plaintext
Why it's wrong here
While plaintext storage is a problem, it is less critical than transmitting it unencrypted.
✗
The server name is an internal hostname
Why it's wrong here
Using an internal hostname is standard and not a vulnerability.
✓
The use of LDAP instead of LDAPS
Why this is correct
LDAP over SSL (LDAPS) provides encryption; without it, credentials are transmitted in clear text.
Related concept
Read the scenario before looking for a memorised answer.
✗
The port is non-standard
Why it's wrong here
Port 389 is the standard LDAP port.
Common exam traps
Common exam trap: answer the scenario, not the keyword
CompTIA often tests the distinction between a static misconfiguration (like plaintext storage) and a protocol-level vulnerability (like cleartext transmission), tricking candidates into choosing the plaintext password option without recognizing that the network exposure is the more critical risk.
Detailed technical explanation
How to think about this question
LDAP binds typically use a simple authentication mechanism where the bind DN and password are sent as plaintext in the BindRequest PDU (per RFC 4511). Without TLS/SSL wrapping, an attacker with packet capture (e.g., using tcpdump or Wireshark) can extract the credentials directly from the network traffic. In real-world assessments, this is a common finding in legacy or misconfigured Active Directory environments where LDAP signing is not enforced.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this PT0-002 question in full detail.
Information Gathering and Vulnerability Scanning — This question tests Information Gathering and Vulnerability Scanning — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The use of LDAP instead of LDAPS — LDAP transmits credentials and queries in cleartext over TCP port 389, making it vulnerable to sniffing and credential theft. LDAPS (LDAP over SSL/TLS) encrypts the entire session on port 636, protecting the bind password and directory data in transit. Since the configuration uses LDAP instead of LDAPS, an attacker on the network can capture the bind password and potentially gain unauthorized access to the directory service.
What should I do if I get this PT0-002 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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