5.5

CVE-2011-1492: roundcube webmail Improper Input Validation

CVSS: 5.5v2.0MediumModified
AliasesDEBIAN-CVE-2011-1492
Published 08-04-2011Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2011-1492 is a medium (CVSS 5.5) Improper Input Validation vulnerability in roundcube webmail. EPSS estimates a 1.76% chance of exploitation in the next 30 days, higher than 77.7% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v2.0 (NVD)
EPSS score
1.76%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-04-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

steps/utils/modcss.inc in Roundcube Webmail before 0.5.1 does not properly verify that a request is an expected request for an external Cascading Style Sheets (CSS) stylesheet, which allows remote authenticated users to trigger arbitrary outbound TCP connections from the server, and possibly obtain sensitive information, via a crafted request.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.76%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.76% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.76%

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
  • roundcube< 0.5.1-1
Roundcube1 product
  • webmail≤ 0.5 | 0.1 | 0.1:alpha | 0.1:beta | 0.1:beta2 | 0.1:rc1 | 0.1:rc2 | 0.1.1 | 0.2 | 0.2:alpha | 0.2:beta | 0.2.1 | 0.3 | 0.3:beta | 0.3:rc1 | 0.3.1 | 0.4 | 0.4:beta | 0.4.1 | 0.4.2 | 0.5:beta | 0.5:rc

2 vendors · 2 products

References

8 links