5.8

CVE-2013-1740: mozilla network_security_services Cryptographic Issues

CVSS: 5.8v2.0MediumModified
AliasesMGASA-2014-0024DEBIAN-CVE-2013-1740
Published 18-01-2014Last modified 06-08-2024

Vulnerability summary

CVE-2013-1740 is a medium (CVSS 5.8) Cryptographic Issues vulnerability in mozilla network_security_services. EPSS estimates a 1.66% chance of exploitation in the next 30 days, higher than 76.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.8/10
010
Medium · v2.0 (NVD)
EPSS score
1.66%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3 · Related 1

Timeline

  1. 18-01-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The ssl_Do1stHandshake function in sslsecur.c in libssl in Mozilla Network Security Services (NSS) before 3.15.4, when the TLS False Start feature is enabled, allows man-in-the-middle attackers to spoof SSL servers by using an arbitrary X.509 certificate during certain handshake traffic.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.66%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

0.00 pp

From 1.66% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.66%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.mozilla.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • nss< 2:3.15.4-1
Mageia1 product
  • nss< 3.15.4-1.mga3
Mozilla1 product
  • network_security_services≤ 3.15.3 | 3.2 | 3.21 | 3.3 | 3.3.1 | 3.3.2 | 3.4 | 3.4.1 | 3.4.2 | 3.5 | 3.6 | 3.6.1 | 3.7 | 3.7.1 | 3.7.2 | 3.7.3 | 3.7.5 | 3.7.7 | 3.8 | 3.9 | 3.11.2 | 3.11.3 | 3.11.4 | 3.11.5 | 3.12 | 3.12.1 | 3.12.2 | 3.12.3 | 3.12.3.1 | 3.12.3.2 | 3.12.4 | 3.12.5 | 3.12.6 | 3.12.7 | 3.12.8 | 3.12.9 | 3.12.10 | 3.12.11 | 3.14 | 3.14.1 | 3.14.2 | 3.14.3 | 3.14.4 | 3.14.5 | 3.15 | 3.15.1 | 3.15.2

3 vendors · 3 products

References

21 links
Show all 21 references