Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-14002 |
CWE-ID | CWE-300 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
PuTTY Client/Desktop applications / Software for system administration |
Vendor | Simon Tatham |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU29487
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2020-14002
CWE-ID:
CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a Man-in-the-Middle (MitM) attack.
The vulnerability exists due to an observable discrepancy issue in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client).
MitigationInstall updates from vendor's website.
Vulnerable software versionsPuTTY: 0.68 - 0.73
CPE2.3 External linkshttp://lists.tartarus.org/pipermail/putty-announce/
http://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
http://www.fzi.de/en/news/news/detail-en/artikel/fsa-2020-2-ausnutzung-eines-informationslecks-fuer-gezielte-mitm-angriffe-auf-ssh-clients/
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?