5

CVE-2013-0166: openssl Cryptographic Issues

Modified
AliasesUBUNTU-CVE-2013-0166DEBIAN-CVE-2013-0166
Published 08-02-2013Last modified 06-08-2024

Vulnerability summary

CVE-2013-0166 is a medium (CVSS 5.0) Cryptographic Issues vulnerability in openssl. EPSS estimates a 19.65% chance of exploitation in the next 30 days, higher than 97.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
19.65%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 3
DSA-2621-1OPENSUSE-SU-2024:11127-1RHSA-2013:0587RHSA-2013:0636SUSE-SU-403SUSE-SU-403_FORBIDDEN-1

Timeline

  1. 08-02-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

OpenSSL before 0.9.8y, 1.0.0 before 1.0.0k, and 1.0.1 before 1.0.1d does not properly perform signature verification for OCSP responses, which allows remote OCSP servers to cause a denial of service (NULL pointer dereference and application crash) via an invalid key.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

19.65%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

No change 0.00 pp

From 19.65% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • openssl< 1.0.1e-1
Openssl1 product
  • opensslEOL0.9.1c | 0.9.2b | 0.9.3 | 0.9.3a | 0.9.4 | 0.9.5 | 0.9.5:beta1 | 0.9.5:beta2 | 0.9.5a | 0.9.5a:beta1 | 0.9.5a:beta2 | 0.9.6 | 0.9.6:beta1 | 0.9.6:beta2 | 0.9.6:beta3 | 0.9.6a | 0.9.6a:beta1 | 0.9.6a:beta2 | 0.9.6a:beta3 | 0.9.6b | 0.9.6c | 0.9.6d | 0.9.6e | 0.9.6f | 0.9.6g | 0.9.6h | 0.9.6i | 0.9.6j | 0.9.6k | 0.9.6l | 0.9.6m | 0.9.7 | 0.9.7:beta1 | 0.9.7:beta2 | 0.9.7:beta3 | 0.9.7:beta4 | 0.9.7:beta5 | 0.9.7:beta6 | 0.9.7a | 0.9.7b | 0.9.7c | 0.9.7d | 0.9.7e | 0.9.7f | 0.9.7g | 0.9.7h | 0.9.7i | 0.9.7j | 0.9.7k | 0.9.7l | 0.9.7m | 0.9.8 | 0.9.8a | 0.9.8b | 0.9.8c | 0.9.8d | 0.9.8e | 0.9.8f | 0.9.8g | 0.9.8h | 0.9.8i | 0.9.8j | 0.9.8k | 0.9.8l | 0.9.8m | 0.9.8m:beta1 | 0.9.8n | 0.9.8o | 0.9.8p | 0.9.8q | 0.9.8r | 0.9.8s | 0.9.8t | 0.9.8u | 0.9.8v | 0.9.8w | 0.9.8x | 1.0.0 | 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 | 1.0.1a | 1.0.1b | 1.0.1c
Redhat1 product
  • openssl0.9.6-15 | 0.9.6b-3 | 0.9.7a-2
Ubuntu1 product
  • openssl098< 0.9.8o-7ubuntu3.2.14.04.1

4 vendors · 4 products

References

31 links
Show all 31 references