01 Record

CVE-2013-2028

The ngx_http_parse_chunked function in http/ngx_http_parse.c in nginx 1.3.9 through 1.4.0 allows remote attackers to cause a denial of service (crash) and execute arbitrary code via a chunked

UnratedPUBLISHEDCNA: redhat

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

The ngx_http_parse_chunked function in http/ngx_http_parse.c in nginx 1.3.9 through 1.4.0 allows remote attackers to cause a denial of service (crash) and execute arbitrary code via a chunked

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 87.47% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 99.7% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2013-07-18 01:00Z13 YR AGO

Last updated

2024-08-06 15:20Z2 YR AGO

Reserved

2013-02-19

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

bbde47349ba5aa49531170b8f62c1fd647a4a3c76ae9923fa54c32b85cd8a749

05 Affected products

VendorProductVersionsPlatforms

f5nginxNot specified—

fedoraprojectfedoraNot specified—

06 References

mailman.nginx.org[nginx-announce] 20130507 nginx security advisory (CVE-2013-2028)http://mailman.nginx.org/pipermail/nginx-announce/2013/000112.htmlmailing-listx_refsource_MLIST
www.osvdb.org93037http://www.osvdb.org/93037vdb-entryx_refsource_OSVDB
lists.fedoraproject.orgFEDORA-2013-7560http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105176.htmlvendor-advisoryx_refsource_FEDORA
www.vnsecurity.nethttp://www.vnsecurity.net/2013/05/analysis-of-nginx-cve-2013-2028/x_refsource_MISC
secunia.com55181http://secunia.com/advisories/55181third-party-advisoryx_refsource_SECUNIA
www.securityfocus.com59699http://www.securityfocus.com/bid/59699vdb-entryx_refsource_BID
security.gentoo.orgGLSA-201310-04http://security.gentoo.org/glsa/glsa-201310-04.xmlvendor-advisoryx_refsource_GENTOO
github.comhttps://github.com/rapid7/metasploit-framework/pull/1834x_refsource_MISC
nginx.orghttp://nginx.org/download/patch.2013.chunked.txtx_refsource_MISC
packetstormsecurity.comhttp://packetstormsecurity.com/files/121675/Nginx-1.3.9-1.4.0-Denial-Of-Service.htmlx_refsource_MISC