GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2022-2891 (GCVE-0-2022-2891)

Vulnerability from cvelistv5 – Published: 2022-10-10 00:00 – Updated: 2024-08-03 00:53
VLAI
Title
WP 2FA < 2.3.0 - Time-Based Side-Channel Attack
Summary
The WP 2FA WordPress plugin before 2.3.0 uses comparison operators that don't mitigate time-based attacks, which could be abused to leak information about the authentication codes being compared.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
Assigner
References
URL Tags
https://wpscan.com/vulnerability/301b3dce-2584-46… exploitvdb-entrytechnical-description
Impacted products
Vendor Product Version CPE status
Unknown WP 2FA Affected: 0 , < 2.3.0 (custom)
guessed Create a notification for this product.
Credits
Calvin Alkan WPScan
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T00:53:00.501Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "exploit",
              "vdb-entry",
              "technical-description",
              "x_transferred"
            ],
            "url": "https://wpscan.com/vulnerability/301b3dce-2584-46ec-92ed-1c0626522120"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "product": "WP 2FA",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "2.3.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Calvin Alkan"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "WPScan"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The WP 2FA WordPress plugin before 2.3.0 uses comparison operators that don\u0027t mitigate time-based attacks, which could be abused to leak information about the authentication codes being compared."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-203 Observable Discrepancy",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-07-24T09:59:20.811Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "exploit",
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/301b3dce-2584-46ec-92ed-1c0626522120"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "WP 2FA \u003c 2.3.0 - Time-Based Side-Channel Attack",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2022-2891",
    "datePublished": "2022-10-10T00:00:00.000Z",
    "dateReserved": "2022-08-18T00:00:00.000Z",
    "dateUpdated": "2024-08-03T00:53:00.501Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-2891",
      "date": "2026-09-17",
      "epss": "0.00835",
      "percentile": "0.56007"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:wpwhitesecurity:wp_2fa:*:*:*:*:*:wordpress:*:*\", \"versionEndExcluding\": \"2.3.0\", \"matchCriteriaId\": \"76E9FB8E-0219-4624-8D62-69B7388BFCC4\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"The WP 2FA WordPress plugin before 2.3.0 uses comparison operators that don\u0027t mitigate time-based attacks, which could be abused to leak information about the authentication codes being compared.\"}, {\"lang\": \"es\", \"value\": \"El plugin WP 2FA de WordPress versiones anteriores a 2.3.0, usa operadores de comparaci\\u00f3n que no mitigan los ataques basados en el tiempo, lo que podr\\u00eda ser abusado para filtrar informaci\\u00f3n sobre los c\\u00f3digos de autenticaci\\u00f3n que son comparados\"}]",
      "id": "CVE-2022-2891",
      "lastModified": "2024-11-21T07:01:52.927",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N\", \"baseScore\": 5.9, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.2, \"impactScore\": 3.6}]}",
      "published": "2022-10-10T21:15:10.877",
      "references": "[{\"url\": \"https://wpscan.com/vulnerability/301b3dce-2584-46ec-92ed-1c0626522120\", \"source\": \"contact@wpscan.com\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://wpscan.com/vulnerability/301b3dce-2584-46ec-92ed-1c0626522120\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "contact@wpscan.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-203\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-2891\",\"sourceIdentifier\":\"contact@wpscan.com\",\"published\":\"2022-10-10T21:15:10.877\",\"lastModified\":\"2026-06-17T04:42:46.960\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The WP 2FA WordPress plugin before 2.3.0 uses comparison operators that don\u0027t mitigate time-based attacks, which could be abused to leak information about the authentication codes being compared.\"},{\"lang\":\"es\",\"value\":\"El plugin WP 2FA de WordPress versiones anteriores a 2.3.0, usa operadores de comparaci\u00f3n que no mitigan los ataques basados en el tiempo, lo que podr\u00eda ser abusado para filtrar informaci\u00f3n sobre los c\u00f3digos de autenticaci\u00f3n que son comparados\"}],\"affected\":[{\"source\":\"contact@wpscan.com\",\"affectedData\":[{\"vendor\":\"Unknown\",\"product\":\"WP 2FA\",\"defaultStatus\":\"unaffected\",\"collectionURL\":\"https://wordpress.org/plugins\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2.3.0\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-203\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:wpwhitesecurity:wp_2fa:*:*:*:*:*:wordpress:*:*\",\"versionEndExcluding\":\"2.3.0\",\"matchCriteriaId\":\"76E9FB8E-0219-4624-8D62-69B7388BFCC4\"}]}]}],\"references\":[{\"url\":\"https://wpscan.com/vulnerability/301b3dce-2584-46ec-92ed-1c0626522120\",\"source\":\"contact@wpscan.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://wpscan.com/vulnerability/301b3dce-2584-46ec-92ed-1c0626522120\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T12:31:27+00:00",
      "cve": "CVE-2022-2891",
      "id": "CVE-2022-2891",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "WP 2FA \u003c 2.3.0 - Time-Based Side-Channel Attack",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-2891.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.