Is CVE-2013-1762 in the CISA KEV catalog?

No. CVE-2013-1762 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-1762?

CVE-2013-1762 has a CVSS v2 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2013-1762?

CVE-2013-1762 has an EPSS score of 2.93% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2013-1762?

Upgrade stunnel4 on debian 11 to 3:4.53-1.1 or later.

CVE & CISA-KEV Catalog

CVE-2013-1762

MEDIUMEPSS 85th pctl

6.6

CVSS v2

NVD

Description

stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform integer conversion, which allows remote proxy servers to execute arbitrary code via a crafted request that triggers a buffer overflow.

CWE-94Code Injection

How to fix

Remediation Available

stunnel4Debian

Fixed in:3:4.53-1.1CVE-2013-1762

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.93%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Vendor Advisory1

stunnel.org

Other references4

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

Embed a live status badge for CVE-2013-1762

Markdown

[![CVE-2013-1762](https://tridentstack.com/cve/badge/CVE-2013-1762.svg)](https://tridentstack.com/cve/CVE-2013-1762)

HTML

<a href="https://tridentstack.com/cve/CVE-2013-1762"><img src="https://tridentstack.com/cve/badge/CVE-2013-1762.svg" alt="CVE-2013-1762"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.