View at Official debian advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2013-5123 unimportant priority: Debian including 1 source packages (python-pip), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.
The mirroring support (-M, --use-mirrors) in Python Pip before 1.5 uses insecure DNS querying and authenticity checks which allows attackers to perform man-in-the-middle attacks.