5.1

CVE-2013-0263: rack_project rack

Modified
AliasesUBUNTU-CVE-2013-0263DEBIAN-CVE-2013-0263GHSA-xc85-32mf-xpv8
Published 08-02-2013Last modified 06-08-2024

Vulnerability summary

CVE-2013-0263 is a medium (CVSS 5.1) vulnerability in rack_project rack. EPSS estimates a 5.38% chance of exploitation in the next 30 days, higher than 92.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.1, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.1/10
010
Medium · v2.0 (NVD)
EPSS score
5.38%
0%100%
Low · 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 13 · Related 11
DSA-2783-1OPENSUSE-SU-2024:10115-1OPENSUSE-SU-2024:12119-1OPENSUSE-SU-2024:12397-1OPENSUSE-SU-2024:12974-1OPENSUSE-SU-2024:13167-1

Timeline

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

Description

Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involving an HMAC comparison function that does not run in constant time.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

5.38%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

No change 0.00 pp

From 5.38% 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

No weakness data has been published for this record.

Affected systems

Version check

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

Debian1 product
  • ruby-rack< 1.4.1-2.1
Rack_project1 product
  • rack1.5.0 | 1.5.1 | 1.4.0 | 1.4.1 | 1.4.2 | 1.4.3 | 1.4.4 | 1.3.0 | 1.3.1 | 1.3.2 | 1.3.3 | 1.3.4 | 1.3.5 | 1.3.6 | 1.3.7 | 1.3.8 | 1.3.9 | 1.2.0 | 1.2.1 | 1.2.2 | 1.2.3 | 1.2.4 | 1.2.6 | 1.2.7 | 1.1.0 | 1.1.4 | 1.1.5 | 1.1.6
RubyGems1 product
  • rack≥ 1.5.0, < 1.5.2 | ≥ 1.4.0, < 1.4.5 | ≥ 1.3.0, < 1.3.10 | ≥ 1.2.0, < 1.2.8 | ≥ 1.1.0, < 1.1.6
Ubuntu1 product
  • ruby-rack< 1.5.2-1

4 vendors · 4 products

References

29 links
Show all 29 references