CVE•Published 2017-02-15•Modified 2026-05-13•1 article on news•6 live references•NVD data
CVE-2013-7459Dlitz · Pycrypto
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
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Description
Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as demonstrated by a crafted iv parameter to cryptmsg.py.
Timeline
Published 2017-02-15
Modified 2026-05-13
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2013-7459Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Dlitz Pycrypto"All exposed Dlitz Pycrypto instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Pycrypto"HTTP body or banner mentions "Pycrypto" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2013-7459Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2013-7459Censys host search filtered to this CVE id.
grep.app
CVE-2013-7459Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2013-7459GitHub code search for direct mentions.
Google dork
"CVE-2013-7459" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2013-7459 on GitHub.