CVE-2017-16853

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

1.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 71.8% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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.

Published

2017-11-16 17:00Z8 YR AGO

Last updated

2024-08-05 20:35Z2 YR AGO

Reserved

2017-11-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-347Improper Verification of Cryptographic SignatureBase
• CWE-358Improperly Implemented Security Check for StandardBase

Data version

5.1

Document digest

426cf8d25892294ae5d537ec929959be2698cac05e29c61f416a77c108b40042

• www.debian.orgDSA-4039https://www.debian.org/security/2017/dsa-4039vendor-advisoryx_refsource_DEBIAN
• bugs.debian.orghttps://bugs.debian.org/881856x_refsource_CONFIRM
• www.securityfocus.com101898http://www.securityfocus.com/bid/101898vdb-entryx_refsource_BID
• git.shibboleth.nethttps://git.shibboleth.net/view/?p=cpp-opensaml.git%3Ba=commit%3Bh=6182b0acf2df670e75423c2ed7afe6950ef11c9dx_refsource_CONFIRM
• shibboleth.nethttps://shibboleth.net/community/advisories/secadv_20171115.txtx_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20171118 [SECURITY] [DLA 1178-1] opensaml2 security updatehttps://lists.debian.org/debian-lts-announce/2017/11/msg00024.htmlmailing-listx_refsource_MLIST