5.8

CVE-2011-4968: debian debian_linux Improper Input Validation

CVSS: 5.8v2.0MediumModified
AliasesUBUNTU-CVE-2011-4968DEBIAN-CVE-2011-4968
Published 19-11-2019Last modified 07-08-2024

Vulnerability summary

CVE-2011-4968 is a medium (CVSS 5.8) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 3.99% chance of exploitation in the next 30 days, higher than 90.3% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.8/10
010
Medium · v2.0 (NVD)
EPSS score
3.99%
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. 19-11-2019
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

nginx http proxy module does not verify peer identity of https origin server which could facilitate man-in-the-middle attack (MITM)

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.99%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

0.00 pp

From 3.99% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.99%

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

Debian2 products
F51 product
  • nginxEOL0.7.61 | 0.7.62 | 0.7.64 | 0.7.65 | 0.7.66 | 0.8.33 | 0.8.35 | 0.8.36 | 0.8.40 | 1.2.6
Nginx1 product
Ubuntu1 product
  • nginxAll versions (No fix recorded)

4 vendors · 5 products

References

10 links