Vulnerability in Apache HTTP Server

CVE-2012-0053

protocol.c in the Apache HTTP Server 2.2.x through 2.2.21 does not properly restrict header information during construction of Bad Request (aka 400) error documents, which allows remote attackers to obtain the values of HTTPOnly cookies via vectors involving a (1) long or (2) malformed header in conjunction with crafted web script.

Published · last modified .

CVSS v2 metric

CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.822 (99.7th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2012-0053: held from 0.822 to 0.822.

EPSS over last 30 days · oldest: 0.822 · newest: 0.822 · change: 0.000

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2012-0053?
CVE-2012-0053 is a vulnerability in Apache HTTP Server. Published 2012-01-28.
Is CVE-2012-0053 known to be exploited?
34 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.