6.1

CVE-2011-1780: xen Improper Input Validation

Modified
Published 07-01-2014Last modified 06-08-2024

Vulnerability summary

CVE-2011-1780 is a medium (CVSS 6.1) Improper Input Validation vulnerability in xen. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 53.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.1, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.1/10
010
Medium · v2.0 (NVD)
EPSS score
0.70%
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 2
RHSA-2011:1065RHSA-2011:1163

Timeline

  1. 07-01-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The instruction emulation in Xen 3.0.3 allows local SMP guest users to cause a denial of service (host crash) by replacing the instruction that causes the VM to exit in one thread with a different instruction in a different thread.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.70%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.70% 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: adjacent network, no authentication (CVSS vector). Other conditions: not stated in public data.

Xen1 product

1 vendor · 1 product

References

4 links