CVE-2020-29322
Published: 04 June 2021
Summary
CVE-2020-29322 is a high-severity Insufficiently Protected Credentials (CWE-522) vulnerability in Dlink Dir-880L Firmware. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 30.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2020-21696
Vulnerability details
The D-Link router DIR-880L 1.07 is vulnerable to credentials disclosure in telnet service through decompilation of firmware, that allows an unauthenticated attacker to gain access to the firmware and to extract sensitive data.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Protecting authenticator content from unauthorized disclosure and modification while requiring protective controls addresses insufficiently protected credentials.
Enables users to notice when hard-coded credentials have been exploited for unauthorized access.
Training instructs users on protecting credentials from disclosure or unauthorized access.
Security training explicitly warns against hard-coded credentials, lowering their use in systems.
Training records for security awareness and role-based training verify education on credential protection practices, tangibly reducing risks from mishandling or exposing credentials.
Policy and procedures prohibit hard-coded credentials in favor of managed authentication.
External identity providers eliminate the need for hard-coded credentials in applications.
Rules of behavior include credential protection and non-sharing requirements, reducing exposure of insufficiently protected credentials.