4.3

CVE-2013-6449: openssl Cryptographic Issues

CVSS: 4.3v2.0MediumModified
AliasesMGASA-2014-0008DEBIAN-CVE-2013-6449
Published 23-12-2013Last modified 06-08-2024

Vulnerability summary

CVE-2013-6449 is a medium (CVSS 4.3) Cryptographic Issues vulnerability in openssl. EPSS estimates a 21.17% chance of exploitation in the next 30 days, higher than 97.5% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
21.17%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 1

Timeline

  1. 23-12-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

21.17%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 21.17% on 19-09-2026

19-09-202619-10-2026
EPSS score
21.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • openssl< 1.0.1e-5
Mageia1 product
  • openssl< 1.0.1e-1.2.mga3
Openssl1 product
  • opensslEOL≤ 1.0.1e | 1.0.0 | 1.0.0:beta1 | 1.0.0:beta2 | 1.0.0:beta3 | 1.0.0:beta4 | 1.0.0:beta5 | 1.0.0a | 1.0.0b | 1.0.0c | 1.0.0d | 1.0.0e | 1.0.0f | 1.0.0g | 1.0.0h | 1.0.0i | 1.0.0j | 1.0.1 | 1.0.1:beta1 | 1.0.1:beta2 | 1.0.1:beta3 | 1.0.1a | 1.0.1b | 1.0.1c | 1.0.1d

3 vendors · 3 products

References

32 links
Show all 32 references