6.8

CVE-2013-6634: google chrome Improper Authentication

Modified
Published 07-12-2013Last modified 06-08-2024

Vulnerability summary

CVE-2013-6634 is a medium (CVSS 6.8) Improper Authentication vulnerability in google chrome. EPSS estimates a 1.44% chance of exploitation in the next 30 days, higher than 73.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
1.44%
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 4 · Related 2
DSA-2811-1MGASA-2013-0383OPENSUSE-SU-2024:10171-1OPENSUSE-SU-2024:12948-1

Timeline

  1. 07-12-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The OneClickSigninHelper::ShowInfoBarIfPossible function in browser/ui/sync/one_click_signin_helper.cc in Google Chrome before 31.0.1650.63 uses an incorrect URL during realm validation, which allows remote attackers to conduct session fixation attacks and hijack web sessions by triggering improper sync after a 302 (aka Found) HTTP status code.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.44%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.44% 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.

Google1 product
  • chromeEOL≤ 31.0.1650.62 | 31.0.1650.0 | 31.0.1650.2 | 31.0.1650.3 | 31.0.1650.4 | 31.0.1650.5 | 31.0.1650.6 | 31.0.1650.7 | 31.0.1650.8 | 31.0.1650.9 | 31.0.1650.10 | 31.0.1650.11 | 31.0.1650.12 | 31.0.1650.13 | 31.0.1650.14 | 31.0.1650.15 | 31.0.1650.16 | 31.0.1650.17 | 31.0.1650.18 | 31.0.1650.19 | 31.0.1650.20 | 31.0.1650.22 | 31.0.1650.23 | 31.0.1650.25 | 31.0.1650.26 | 31.0.1650.27 | 31.0.1650.28 | 31.0.1650.29 | 31.0.1650.30 | 31.0.1650.31 | 31.0.1650.32 | 31.0.1650.33 | 31.0.1650.34 | 31.0.1650.35 | 31.0.1650.36 | 31.0.1650.37 | 31.0.1650.38 | 31.0.1650.39 | 31.0.1650.41 | 31.0.1650.42 | 31.0.1650.43 | 31.0.1650.44 | 31.0.1650.45 | 31.0.1650.46 | 31.0.1650.47 | 31.0.1650.48 | 31.0.1650.49 | 31.0.1650.50 | 31.0.1650.51 | 31.0.1650.52 | 31.0.1650.53 | 31.0.1650.54 | 31.0.1650.55 | 31.0.1650.57 | 31.0.1650.58 | 31.0.1650.59 | 31.0.1650.60 | 31.0.1650.61

1 vendor · 1 product

References

9 links