CVE-2020-18771

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.83% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 77.2% 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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

NVD analysis status

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

Red Hat severity

Low. 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

2021-08-23 00:00Z5 YR AGO

Last updated

2024-11-18 21:43Z1 YR AGO

Reserved

2020-08-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

6ea60a12a960345936d14d27f07914ff29b7d3a49359b0b12ff27d59227e68ef

• github.comhttps://github.com/Exiv2/exiv2/issues/756
• cwe.mitre.orghttps://cwe.mitre.org/data/definitions/126.html
• lists.debian.org[debian-lts-announce] 20230110 [SECURITY] [DLA 3265-1] exiv2 security updatehttps://lists.debian.org/debian-lts-announce/2023/01/msg00004.htmlmailing-list
• security.gentoo.orgGLSA-202312-06https://security.gentoo.org/glsa/202312-06vendor-advisory